diff --git a/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs b/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs
index e8b60bab81..ed5db58418 100644
--- a/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs
+++ b/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs
@@ -1,72 +1,70 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using System;
-using osu.Framework.Allocation;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Colour;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Primitives;
-using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Textures;
-using osu.Framework.MathUtils;
-using osu.Game.Database;
-using osu.Game.Graphics;
-using osu.Game.Graphics.Backgrounds;
-using osu.Game.Graphics.UserInterface;
-using OpenTK;
-using OpenTK.Graphics;
+//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Framework.MathUtils;
+using osu.Game.Database;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Backgrounds;
+using osu.Game.Graphics.UserInterface;
+using OpenTK;
+using OpenTK.Graphics;
 using osu.Framework.Input;
 
-namespace osu.Game.Beatmaps.Drawables
-{
-    class BeatmapPanel : Panel
-    {
-        public BeatmapInfo Beatmap;
-        private Sprite background;
-
+namespace osu.Game.Beatmaps.Drawables
+{
+    class BeatmapPanel : Panel
+    {
+        public BeatmapInfo Beatmap;
+        private Sprite background;
+
         public Action<BeatmapPanel> GainedSelection;
         public Action<BeatmapPanel> StartRequested;
 
-        Color4 deselectedColour = new Color4(20, 43, 51, 255);
-
         protected override void Selected()
         {
             base.Selected();
             GainedSelection?.Invoke(this);
 
-            background.ColourInfo = ColourInfo.GradientVertical(
-                new Color4(20, 43, 51, 255),
+            background.ColourInfo = ColourInfo.GradientVertical(
+                new Color4(20, 43, 51, 255),
                 new Color4(40, 86, 102, 255));
-        }
-
+        }
+
         protected override void Deselected()
         {
             base.Deselected();
 
-            background.Colour = deselectedColour;
-        }
-
+            background.Colour = new Color4(20, 43, 51, 255);
+        }
+
         protected override bool OnClick(InputState state)
         {
             if (State == PanelSelectedState.Selected)
                 StartRequested?.Invoke(this);
 
             return base.OnClick(state);
-        }
-
-        public BeatmapPanel(BeatmapInfo beatmap)
+        }
+
+        public BeatmapPanel(BeatmapInfo beatmap)
         {
             Beatmap = beatmap;
-            Height *= 0.60f;
-
-            Children = new Drawable[]
-            {
-                background = new Box
-                {
-                    RelativeSizeAxes = Axes.Both,
-                },
-                new Triangles
+            Height *= 0.60f;
+
+            Children = new Drawable[]
+            {
+                background = new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
+                new Triangles
                 {
                     // The border is drawn in the shader of the children. Being additive, triangles would over-emphasize
                     // the border wherever they cross it, and thus they get their own masking container without a border.
@@ -74,70 +72,70 @@ namespace osu.Game.Beatmaps.Drawables
                     CornerRadius = Content.CornerRadius,
                     RelativeSizeAxes = Axes.Both,
                     BlendingMode = BlendingMode.Additive,
-                    Colour = deselectedColour,
-                },
-                new FlowContainer
-                {
-                    Padding = new MarginPadding(5),
-                    Direction = FlowDirection.HorizontalOnly,
-                    AutoSizeAxes = Axes.Both,
+                    Colour = new Color4(20, 43, 51, 255),
+                },
+                new FlowContainer
+                {
+                    Padding = new MarginPadding(5),
+                    Direction = FlowDirection.HorizontalOnly,
+                    AutoSizeAxes = Axes.Both,
                     Anchor = Anchor.CentreLeft,
-                    Origin = Anchor.CentreLeft,
-                    Children = new Drawable[]
-                    {
-                        new DifficultyIcon(FontAwesome.fa_dot_circle_o, new Color4(159, 198, 0, 255))
+                    Origin = Anchor.CentreLeft,
+                    Children = new Drawable[]
+                    {
+                        new DifficultyIcon(FontAwesome.fa_dot_circle_o, new Color4(159, 198, 0, 255))
                         {
                             Scale = new Vector2(1.8f),
                             Anchor = Anchor.CentreLeft,
                             Origin = Anchor.CentreLeft,
-                        },
-                        new FlowContainer
-                        {
-                            Padding = new MarginPadding { Left = 5 },
-                            Spacing = new Vector2(0, 5),
-                            Direction = FlowDirection.VerticalOnly,
-                            AutoSizeAxes = Axes.Both,
-                            Children = new Drawable[]
-                            {
-                                new FlowContainer
-                                {
-                                    Direction = FlowDirection.HorizontalOnly,
-                                    AutoSizeAxes = Axes.Both,
-                                    Spacing = new Vector2(4, 0),
-                                    Children = new[]
-                                    {
-                                        new SpriteText
-                                        {
-                                            Font = @"Exo2.0-Medium",
-                                            Text = beatmap.Version,
-                                            TextSize = 20,
-                                            Anchor = Anchor.BottomLeft,
-                                            Origin = Anchor.BottomLeft
-                                        },
-                                        new SpriteText
-                                        {
-                                            Font = @"Exo2.0-Medium",
-                                            Text = "mapped by",
-                                            TextSize = 16,
-                                            Anchor = Anchor.BottomLeft,
-                                            Origin = Anchor.BottomLeft
-                                        },
-                                        new SpriteText
-                                        {
-                                            Font = @"Exo2.0-MediumItalic",
-                                            Text = $"{(beatmap.Metadata ?? beatmap.BeatmapSet.Metadata).Author}",
-                                            TextSize = 16,
-                                            Anchor = Anchor.BottomLeft,
-                                            Origin = Anchor.BottomLeft
-                                        },
-                                    }
-                                },
-                                new StarCounter { Count = beatmap.BaseDifficulty?.OverallDifficulty ?? 5, StarSize = 8 }
-                            }
-                        }
-                    }
-                }
-            };
+                        },
+                        new FlowContainer
+                        {
+                            Padding = new MarginPadding { Left = 5 },
+                            Spacing = new Vector2(0, 5),
+                            Direction = FlowDirection.VerticalOnly,
+                            AutoSizeAxes = Axes.Both,
+                            Children = new Drawable[]
+                            {
+                                new FlowContainer
+                                {
+                                    Direction = FlowDirection.HorizontalOnly,
+                                    AutoSizeAxes = Axes.Both,
+                                    Spacing = new Vector2(4, 0),
+                                    Children = new[]
+                                    {
+                                        new SpriteText
+                                        {
+                                            Font = @"Exo2.0-Medium",
+                                            Text = beatmap.Version,
+                                            TextSize = 20,
+                                            Anchor = Anchor.BottomLeft,
+                                            Origin = Anchor.BottomLeft
+                                        },
+                                        new SpriteText
+                                        {
+                                            Font = @"Exo2.0-Medium",
+                                            Text = "mapped by",
+                                            TextSize = 16,
+                                            Anchor = Anchor.BottomLeft,
+                                            Origin = Anchor.BottomLeft
+                                        },
+                                        new SpriteText
+                                        {
+                                            Font = @"Exo2.0-MediumItalic",
+                                            Text = $"{(beatmap.Metadata ?? beatmap.BeatmapSet.Metadata).Author}",
+                                            TextSize = 16,
+                                            Anchor = Anchor.BottomLeft,
+                                            Origin = Anchor.BottomLeft
+                                        },
+                                    }
+                                },
+                                new StarCounter { Count = beatmap.BaseDifficulty?.OverallDifficulty ?? 5, StarSize = 8 }
+                            }
+                        }
+                    }
+                }
+            };
         }
-    }
-}
+    }
+}
diff --git a/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs b/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs
index 7234e2ad8b..99942de133 100644
--- a/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs
+++ b/osu.Game/Beatmaps/Drawables/BeatmapSetHeader.cs
@@ -1,74 +1,74 @@
-//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
-//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using System;
-using osu.Framework.Allocation;
-using osu.Framework.Configuration;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Colour;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Primitives;
-using osu.Framework.Graphics.Sprites;
-using osu.Game.Configuration;
-using osu.Game.Graphics;
-using OpenTK;
-using OpenTK.Graphics;
-
+//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Configuration;
+using osu.Game.Graphics;
+using OpenTK;
+using OpenTK.Graphics;
+
 namespace osu.Game.Beatmaps.Drawables
 {
-    class BeatmapSetHeader : Panel
-    {
-        public Action<BeatmapSetHeader> GainedSelection;
-        private SpriteText title, artist;
-        private OsuConfigManager config;
-        private Bindable<bool> preferUnicode;
-        private WorkingBeatmap beatmap;
-
-        public BeatmapSetHeader(WorkingBeatmap beatmap)
-        {
-            this.beatmap = beatmap;
-
-            Children = new Drawable[]
-            {
+    class BeatmapSetHeader : Panel
+    {
+        public Action<BeatmapSetHeader> GainedSelection;
+        private SpriteText title, artist;
+        private OsuConfigManager config;
+        private Bindable<bool> preferUnicode;
+        private WorkingBeatmap beatmap;
+
+        public BeatmapSetHeader(WorkingBeatmap beatmap)
+        {
+            this.beatmap = beatmap;
+
+            Children = new Drawable[]
+            {
                 new PanelBackground(beatmap)
                 {
                     RelativeSizeAxes = Axes.Both,
                 },
-                new FlowContainer
-                {
-                    Direction = FlowDirection.VerticalOnly,
-                    Padding = new MarginPadding { Top = 5, Left = 18, Right = 10, Bottom = 10 },
-                    AutoSizeAxes = Axes.Both,
-                    Children = new[]
-                    {
-                        title = new SpriteText
-                        {
-                            Font = @"Exo2.0-BoldItalic",
-                            Text = beatmap.BeatmapSetInfo.Metadata.Title,
-                            TextSize = 22,
-                            Shadow = true,
-                        },
-                        artist = new SpriteText
-                        {
-                            Margin = new MarginPadding { Top = -1 },
-                            Font = @"Exo2.0-SemiBoldItalic",
-                            Text = beatmap.BeatmapSetInfo.Metadata.Artist,
-                            TextSize = 17,
-                            Shadow = true,
-                        },
-                        new FlowContainer
-                        {
-                            Margin = new MarginPadding { Top = 5 },
-                            AutoSizeAxes = Axes.Both,
-                            Children = new[]
-                            {
-                                new DifficultyIcon(FontAwesome.fa_dot_circle_o, new Color4(159, 198, 0, 255)),
-                                new DifficultyIcon(FontAwesome.fa_dot_circle_o, new Color4(246, 101, 166, 255)),
-                            }
-                        }
-                    }
-                }
-            };
+                new FlowContainer
+                {
+                    Direction = FlowDirection.VerticalOnly,
+                    Padding = new MarginPadding { Top = 5, Left = 18, Right = 10, Bottom = 10 },
+                    AutoSizeAxes = Axes.Both,
+                    Children = new[]
+                    {
+                        title = new SpriteText
+                        {
+                            Font = @"Exo2.0-BoldItalic",
+                            Text = beatmap.BeatmapSetInfo.Metadata.Title,
+                            TextSize = 22,
+                            Shadow = true,
+                        },
+                        artist = new SpriteText
+                        {
+                            Margin = new MarginPadding { Top = -1 },
+                            Font = @"Exo2.0-SemiBoldItalic",
+                            Text = beatmap.BeatmapSetInfo.Metadata.Artist,
+                            TextSize = 17,
+                            Shadow = true,
+                        },
+                        new FlowContainer
+                        {
+                            Margin = new MarginPadding { Top = 5 },
+                            AutoSizeAxes = Axes.Both,
+                            Children = new[]
+                            {
+                                new DifficultyIcon(FontAwesome.fa_dot_circle_o, new Color4(159, 198, 0, 255)),
+                                new DifficultyIcon(FontAwesome.fa_dot_circle_o, new Color4(246, 101, 166, 255)),
+                            }
+                        }
+                    }
+                }
+            };
         }
 
         protected override void LoadComplete()
@@ -81,8 +81,8 @@ namespace osu.Game.Beatmaps.Drawables
         {
             base.Selected();
             GainedSelection?.Invoke(this);
-        }
-
+        }
+
         [BackgroundDependencyLoader]
         private void load(OsuConfigManager config)
         {
@@ -90,31 +90,32 @@ namespace osu.Game.Beatmaps.Drawables
 
             preferUnicode = config.GetBindable<bool>(OsuConfig.ShowUnicode);
             preferUnicode.ValueChanged += preferUnicode_changed;
-            preferUnicode_changed(preferUnicode, null);
+            preferUnicode_changed(preferUnicode, null);
         }
-
        private void preferUnicode_changed(object sender, EventArgs e)
-        {
-            title.Text = config.GetUnicodeString(beatmap.BeatmapSetInfo.Metadata.Title, beatmap.BeatmapSetInfo.Metadata.TitleUnicode);
-            artist.Text = config.GetUnicodeString(beatmap.BeatmapSetInfo.Metadata.Artist, beatmap.BeatmapSetInfo.Metadata.ArtistUnicode);
+
+        private void preferUnicode_changed(object sender, EventArgs e)
+        {
+            title.Text = config.GetUnicodeString(beatmap.BeatmapSetInfo.Metadata.Title, beatmap.BeatmapSetInfo.Metadata.TitleUnicode);
+            artist.Text = config.GetUnicodeString(beatmap.BeatmapSetInfo.Metadata.Artist, beatmap.BeatmapSetInfo.Metadata.ArtistUnicode);
         }
 
         protected override void Dispose(bool isDisposing)
-        {
-            if (preferUnicode != null)
+        {
+            if (preferUnicode != null)
                 preferUnicode.ValueChanged -= preferUnicode_changed;
             base.Dispose(isDisposing);
-        }
-
+        }
+
         class PanelBackground : BufferedContainer
-        {
-            private readonly WorkingBeatmap working;
-
-            public PanelBackground(WorkingBeatmap working)
-            {
-                this.working = working;
-
-                CacheDrawnFrameBuffer = true;
-
+        {
+            private readonly WorkingBeatmap working;
+
+            public PanelBackground(WorkingBeatmap working)
+            {
+                this.working = working;
+
+                CacheDrawnFrameBuffer = true;
+
                 Children = new[]
                 {
                     new FlowContainer
@@ -128,34 +129,37 @@ namespace osu.Game.Beatmaps.Drawables
                         Children = new[]
                         {
                             // The left half with no gradient applied
-                            new Box
-                            {
-                                RelativeSizeAxes = Axes.Both,
-                                Colour = Color4.Black,
-                                Width = 0.4f,
+                            new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Colour = Color4.Black,
+                                Width = 0.4f,
                             },
                             // Piecewise-linear gradient with 3 segments to make it appear smoother
                             new Box
                             {
                                 RelativeSizeAxes = Axes.Both,
-                                ColourInfo = ColourInfo.GradientHorizontal(Color4.Black, new Color4(0f, 0f, 0f, 0.9f)),
+                                ColourInfo = ColourInfo.GradientHorizontal(
+                                    Color4.Black, new Color4(0f, 0f, 0f, 0.9f)),
                                 Width = 0.05f,
                             },
                             new Box
                             {
                                 RelativeSizeAxes = Axes.Both,
-                                ColourInfo = ColourInfo.GradientHorizontal(new Color4(0f, 0f, 0f, 0.9f), new Color4(0f, 0f, 0f, 0.1f)),
+                                ColourInfo = ColourInfo.GradientHorizontal(
+                                    new Color4(0f, 0f, 0f, 0.9f), new Color4(0f, 0f, 0f, 0.1f)),
                                 Width = 0.2f,
                             },
                             new Box
                             {
                                 RelativeSizeAxes = Axes.Both,
-                                ColourInfo = ColourInfo.GradientHorizontal(new Color4(0f, 0f, 0f, 0.1f), new Color4(0, 0, 0, 0)),
+                                ColourInfo = ColourInfo.GradientHorizontal(
+                                    new Color4(0f, 0f, 0f, 0.1f), new Color4(0, 0, 0, 0)),
                                 Width = 0.05f,
                             },
                         }
-                    },
-                };
+                    },
+                };
             }
 
             [BackgroundDependencyLoader]
@@ -172,6 +176,6 @@ namespace osu.Game.Beatmaps.Drawables
                     ForceRedraw();
                 });
             }
-        }
+        }
     }
 }
\ No newline at end of file
diff --git a/osu.Game/Beatmaps/Drawables/Panel.cs b/osu.Game/Beatmaps/Drawables/Panel.cs
index f97a5260d8..ff89e5882d 100644
--- a/osu.Game/Beatmaps/Drawables/Panel.cs
+++ b/osu.Game/Beatmaps/Drawables/Panel.cs
@@ -8,6 +8,7 @@ using osu.Framework.Graphics.Transformations;
 using osu.Framework.Input;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
@@ -98,7 +99,7 @@ namespace osu.Game.Beatmaps.Drawables
                 Type = EdgeEffectType.Shadow,
                 Offset = new Vector2(1),
                 Radius = 10,
-                Colour = new Color4(0, 0, 0, 100),
+                Colour = Color4.Black.Opacity(100),
             };
         }
 
diff --git a/osu.Game/Beatmaps/Formats/BeatmapDecoder.cs b/osu.Game/Beatmaps/Formats/BeatmapDecoder.cs
index 83cd60eca3..cd55f36ae3 100644
--- a/osu.Game/Beatmaps/Formats/BeatmapDecoder.cs
+++ b/osu.Game/Beatmaps/Formats/BeatmapDecoder.cs
@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.IO;
 using osu.Game.Modes.Objects;
 using OpenTK.Graphics;
+using osu.Game.Graphics;
 
 namespace osu.Game.Beatmaps.Formats
 {
@@ -44,11 +45,11 @@ namespace osu.Game.Beatmaps.Formats
 
         public virtual void ApplyColours(Beatmap b)
         {
-            List<Color4> colours = b.ComboColors ?? new List<Color4>() {
+            List<Color4> colours = b.ComboColors ?? new List<Color4> {
                 new Color4(17, 136, 170, 255),
-                new Color4(102,136,0, 255),
-                new Color4(204,102,0, 255),
-                new Color4(121,9,13, 255),
+                new Color4(102, 136, 0, 255),
+                new Color4(204, 102, 0, 255),
+                new Color4(121, 9, 13, 255),
             };
 
             if (colours.Count == 0) return;
diff --git a/osu.Game/Graphics/OsuColour.cs b/osu.Game/Graphics/OsuColour.cs
new file mode 100644
index 0000000000..1ab5ec8f7c
--- /dev/null
+++ b/osu.Game/Graphics/OsuColour.cs
@@ -0,0 +1,61 @@
+using System;
+using OpenTK.Graphics;
+using osu.Framework.Graphics.Colour;
+
+namespace osu.Game.Graphics
+{
+    public static class OsuColourExtensions
+    {
+        public static Color4 Opacity(this Color4 color, float a) => new Color4(color.R, color.G, color.B, a);
+        public static Color4 Opacity(this Color4 color, byte a) => new Color4(color.R, color.G, color.B, a / 255f);
+    }
+
+    public class OsuColour
+    {
+        public static Color4 Gray(float amt) => new Color4(amt, amt, amt, 1f);
+        public static Color4 Gray(byte amt) => new Color4(amt, amt, amt, 255);
+
+        private static Color4 FromHex(string hex)
+        {
+            return new Color4(
+                Convert.ToByte(hex.Substring(0, 2), 16),
+                Convert.ToByte(hex.Substring(2, 2), 16),
+                Convert.ToByte(hex.Substring(4, 2), 16),
+                255);
+        }
+
+        // See https://github.com/ppy/osu-web/blob/master/resources/assets/less/colors.less
+
+        public Color4 PurpleLighter = FromHex(@"eeeeff");
+        public Color4 PurpleLight = FromHex(@"aa88ff");
+        public Color4 Purple = FromHex(@"8866ee");
+        public Color4 PurpleDark = FromHex(@"6644cc");
+        public Color4 PurpleDarker = FromHex(@"441188");
+
+        public Color4 PinkLighter = FromHex(@"ffddee");
+        public Color4 PinkLight = FromHex(@"ff99cc");
+        public Color4 Pink = FromHex(@"ff66aa");
+        public Color4 PinkDark = FromHex(@"cc5288");
+        public Color4 PinkDarker = FromHex(@"bb1177");
+
+        public Color4 BlueLighter = FromHex(@"ddffff");
+        public Color4 BlueLight = FromHex(@"99eeff");
+        public Color4 Blue = FromHex(@"66ccff");
+        public Color4 BlueDark = FromHex(@"44aadd");
+        public Color4 BlueDarker = FromHex(@"2299bb");
+
+        public Color4 YellowLighter = FromHex(@"ffffdd");
+        public Color4 YellowLight = FromHex(@"ffdd55");
+        public Color4 Yellow = FromHex(@"ffcc22");
+        public Color4 YellowDark = FromHex(@"eeaa00");
+        public Color4 YellowDarker = FromHex(@"cc6600");
+
+        public Color4 GreenLighter = FromHex(@"eeffcc");
+        public Color4 GreenLight = FromHex(@"b3d944");
+        public Color4 Green = FromHex(@"88b300");
+        public Color4 GreenDark = FromHex(@"668800");
+        public Color4 GreenDarker = FromHex(@"445500");
+
+        public Color4 Red = FromHex(@"fc4549");
+    }
+}
diff --git a/osu.Game/Graphics/UserInterface/BackButton.cs b/osu.Game/Graphics/UserInterface/BackButton.cs
index ade6cedc58..2f9a026b8f 100644
--- a/osu.Game/Graphics/UserInterface/BackButton.cs
+++ b/osu.Game/Graphics/UserInterface/BackButton.cs
@@ -34,55 +34,6 @@ namespace osu.Game.Graphics.UserInterface
         public BackButton()
         {
             Size = size_retracted;
-
-            Children = new Drawable[]
-            {
-                new Container
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Width = 0.4f,
-                    Children = new Drawable[]
-                    {
-                        leftBox = new Box
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                            Colour = new Color4(195, 40, 140, 255),
-                            Shear = new Vector2(shear, 0),
-                        },
-                        icon = new TextAwesome
-                        {
-                            Anchor = Anchor.Centre,
-                            TextSize = 25,
-                            Icon = FontAwesome.fa_osu_left_o
-                        },
-                    }
-                },
-                new Container
-                {
-                    Origin = Anchor.TopRight,
-                    Anchor = Anchor.TopRight,
-                    RelativeSizeAxes = Axes.Both,
-                    Width = 0.6f,
-                    Children = new Drawable[]
-                    {
-                        rightBox = new Box
-                        {
-                            Colour = new Color4(238, 51, 153, 255),
-                            Origin = Anchor.TopLeft,
-                            Anchor = Anchor.TopLeft,
-                            RelativeSizeAxes = Axes.Both,
-                            Shear = new Vector2(shear, 0),
-                            EdgeSmoothness = new Vector2(1.5f, 0),
-                        },
-                        new SpriteText
-                        {
-                            Origin = Anchor.Centre,
-                            Anchor = Anchor.Centre,
-                            Text = @"Back",
-                        }
-                    }
-                }
-            };
         }
 
         public override bool Contains(Vector2 screenSpacePos) => leftBox.Contains(screenSpacePos) || rightBox.Contains(screenSpacePos);
@@ -140,9 +91,57 @@ namespace osu.Game.Graphics.UserInterface
         }
 
         [BackgroundDependencyLoader]
-        private void load(AudioManager audio)
+        private void load(AudioManager audio, OsuColour colours)
         {
             sampleClick = audio.Sample.Get(@"Menu/menuback");
+            Children = new Drawable[]
+            {
+                new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Width = 0.4f,
+                    Children = new Drawable[]
+                    {
+                        leftBox = new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Colour = colours.PinkDark,
+                            Shear = new Vector2(shear, 0),
+                        },
+                        icon = new TextAwesome
+                        {
+                            Anchor = Anchor.Centre,
+                            TextSize = 25,
+                            Icon = FontAwesome.fa_osu_left_o
+                        },
+                    }
+                },
+                new Container
+                {
+                    Origin = Anchor.TopRight,
+                    Anchor = Anchor.TopRight,
+                    RelativeSizeAxes = Axes.Both,
+                    Width = 0.6f,
+                    Children = new Drawable[]
+                    {
+                        rightBox = new Box
+                        {
+                            Colour = colours.Pink,
+                            Origin = Anchor.TopLeft,
+                            Anchor = Anchor.TopLeft,
+                            RelativeSizeAxes = Axes.Both,
+                            Shear = new Vector2(shear, 0),
+                            EdgeSmoothness = new Vector2(1.5f, 0),
+                        },
+                        new SpriteText
+                        {
+                            Origin = Anchor.Centre,
+                            Anchor = Anchor.Centre,
+                            Text = @"Back",
+                        }
+                    }
+                }
+            };
         }
 
         protected override bool OnClick(InputState state)
@@ -151,7 +150,7 @@ namespace osu.Game.Graphics.UserInterface
             {
                 RelativeSizeAxes = Axes.Both,
                 Shear = new Vector2(shear, 0),
-                Colour = new Color4(255, 255, 255, 128),
+                Colour = Color4.White.Opacity(0.5f),
             };
             Add(flash);
 
diff --git a/osu.Game/Graphics/UserInterface/OsuButton.cs b/osu.Game/Graphics/UserInterface/OsuButton.cs
index 476895e0b2..2afcf56140 100644
--- a/osu.Game/Graphics/UserInterface/OsuButton.cs
+++ b/osu.Game/Graphics/UserInterface/OsuButton.cs
@@ -3,6 +3,7 @@
 
 using System;
 using OpenTK.Graphics;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics.UserInterface;
 
 namespace osu.Game.Graphics.UserInterface
@@ -12,7 +13,12 @@ namespace osu.Game.Graphics.UserInterface
         public OsuButton()
         {
             Height = 25;
-            Colour = new Color4(14, 132, 165, 255);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            Colour = colours.BlueDark;
         }
     }
 }
\ No newline at end of file
diff --git a/osu.Game/Modes/Objects/HitObject.cs b/osu.Game/Modes/Objects/HitObject.cs
index 71839e7036..b2043fa94c 100644
--- a/osu.Game/Modes/Objects/HitObject.cs
+++ b/osu.Game/Modes/Objects/HitObject.cs
@@ -4,6 +4,7 @@
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.Samples;
 using OpenTK.Graphics;
+using osu.Game.Graphics;
 
 namespace osu.Game.Modes.Objects
 {
diff --git a/osu.Game/Online/Chat/Drawables/ChatLine.cs b/osu.Game/Online/Chat/Drawables/ChatLine.cs
index 454f7beed7..2dd3425bda 100644
--- a/osu.Game/Online/Chat/Drawables/ChatLine.cs
+++ b/osu.Game/Online/Chat/Drawables/ChatLine.cs
@@ -35,7 +35,7 @@ namespace osu.Game.Online.Chat.Drawables
                         {
                             Text = Message.Timestamp.LocalDateTime.ToLongTimeString(),
                             TextSize = text_size,
-                            Colour = new Color4(128, 128, 128, 255)
+                            Colour = Color4.Gray
                         },
                         new SpriteText
                         {
diff --git a/osu.Game/OsuGameBase.cs b/osu.Game/OsuGameBase.cs
index 7c1f620c93..d29fe0032c 100644
--- a/osu.Game/OsuGameBase.cs
+++ b/osu.Game/OsuGameBase.cs
@@ -13,6 +13,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.IO;
 using osu.Game.Configuration;
 using osu.Game.Database;
+using osu.Game.Graphics;
 using osu.Game.Graphics.Cursor;
 using osu.Game.Graphics.Processing;
 using osu.Game.Online.API;
@@ -41,6 +42,7 @@ namespace osu.Game
             Dependencies.Cache(this);
             Dependencies.Cache(Config);
             Dependencies.Cache(new BeatmapDatabase(Host.Storage, Host));
+            Dependencies.Cache(new OsuColour());
 
             //this completely overrides the framework default. will need to change once we make a proper FontStore.
             Dependencies.Cache(Fonts = new FontStore { ScaleAdjust = 0.01f }, true);
diff --git a/osu.Game/Overlays/ChatOverlay.cs b/osu.Game/Overlays/ChatOverlay.cs
index 22f7a3a78f..17a1a2604a 100644
--- a/osu.Game/Overlays/ChatOverlay.cs
+++ b/osu.Game/Overlays/ChatOverlay.cs
@@ -13,6 +13,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Transformations;
 using osu.Framework.Threading;
+using osu.Game.Graphics;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests;
 using osu.Game.Online.Chat;
@@ -45,7 +46,7 @@ namespace osu.Game.Overlays
                 {
                     Depth = float.MaxValue,
                     RelativeSizeAxes = Axes.Both,
-                    Colour = new Color4(0.1f, 0.1f, 0.1f, 0.4f),
+                    Colour = OsuColour.Gray(0.1f).Opacity(0.4f),
                 },
                 content = new Container
                 {
diff --git a/osu.Game/Overlays/MusicController.cs b/osu.Game/Overlays/MusicController.cs
index 449d588f26..5052840848 100644
--- a/osu.Game/Overlays/MusicController.cs
+++ b/osu.Game/Overlays/MusicController.cs
@@ -56,7 +56,7 @@ namespace osu.Game.Overlays
             EdgeEffect = new EdgeEffect
             {
                 Type = EdgeEffectType.Shadow,
-                Colour = new Color4(0, 0, 0, 40),
+                Colour = Color4.Black.Opacity(40),
                 Radius = 5,
             };
 
@@ -65,7 +65,31 @@ namespace osu.Game.Overlays
             Origin = Anchor.TopRight;
             Position = start_position;
             Margin = new MarginPadding(10);
+        }
 
+        protected override bool OnDragStart(InputState state) => true;
+
+        protected override bool OnDrag(InputState state)
+        {
+            Vector2 change = (state.Mouse.Position - state.Mouse.PositionMouseDown.Value);
+
+            // Diminish the drag distance as we go further to simulate "rubber band" feeling.
+            change *= (float)Math.Pow(change.Length, 0.7f) / change.Length;
+
+            MoveTo(start_position + change);
+            return base.OnDrag(state);
+        }
+
+        protected override bool OnDragEnd(InputState state)
+        {
+            MoveTo(start_position, 800, EasingTypes.OutElastic);
+            return base.OnDragEnd(state);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuGameBase osuGame, BeatmapDatabase beatmaps, AudioManager audio,
+            TextureStore textures, OsuColour colours)
+        {
             Children = new Drawable[]
             {
                 title = new SpriteText
@@ -171,34 +195,11 @@ namespace osu.Game.Overlays
                     Origin = Anchor.BottomCentre,
                     Anchor = Anchor.BottomCentre,
                     Height = 10,
-                    Colour = new Color4(255, 204, 34, 255),
+                    Colour = colours.Yellow,
                     SeekRequested = seek
                 }
             };
-        }
-
-        protected override bool OnDragStart(InputState state) => true;
-
-        protected override bool OnDrag(InputState state)
-        {
-            Vector2 change = (state.Mouse.Position - state.Mouse.PositionMouseDown.Value);
-
-            // Diminish the drag distance as we go further to simulate "rubber band" feeling.
-            change *= (float)Math.Pow(change.Length, 0.7f) / change.Length;
-
-            MoveTo(start_position + change);
-            return base.OnDrag(state);
-        }
-
-        protected override bool OnDragEnd(InputState state)
-        {
-            MoveTo(start_position, 800, EasingTypes.OutElastic);
-            return base.OnDragEnd(state);
-        }
-
-        [BackgroundDependencyLoader]
-        private void load(OsuGameBase osuGame, BeatmapDatabase beatmaps, AudioManager audio, TextureStore textures)
-        {
+        
             this.beatmaps = beatmaps;
             trackManager = osuGame.Audio.Track;
             config = osuGame.Config;
@@ -393,7 +394,7 @@ namespace osu.Game.Overlays
                 {
                     sprite = new Sprite
                     {
-                        Colour = new Color4(150, 150, 150, 255),
+                        Colour = OsuColour.Gray(150),
                         FillMode = FillMode.Fill,
                     },
                     new Box
@@ -402,7 +403,7 @@ namespace osu.Game.Overlays
                         Height = 50,
                         Origin = Anchor.BottomCentre,
                         Anchor = Anchor.BottomCentre,
-                        Colour = new Color4(0, 0, 0, 127)
+                        Colour = Color4.Black.Opacity(0.5f)
                     }
                 };
             }
diff --git a/osu.Game/Overlays/Options/CheckBoxOption.cs b/osu.Game/Overlays/Options/CheckBoxOption.cs
index 2ea176378c..310d33580d 100644
--- a/osu.Game/Overlays/Options/CheckBoxOption.cs
+++ b/osu.Game/Overlays/Options/CheckBoxOption.cs
@@ -16,6 +16,7 @@ using osu.Framework.Graphics.UserInterface;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Input;
+using osu.Game.Graphics;
 
 namespace osu.Game.Overlays.Options
 {
@@ -140,26 +141,13 @@ namespace osu.Game.Overlays.Options
             private Box fill;
 
             const float border_width = 3;
-
-            Color4 hoverColour = new Color4(255, 221, 238, 255);
-            Color4 defaultColour = new Color4(255, 102, 170, 255);
-            Color4 glowColour = new Color4(187, 17, 119, 0);
+            private Color4 glowingColour, idleColour;
 
             public Light()
             {
                 Size = new Vector2(40, 12);
 
-                Masking = true;
-
-                Colour = defaultColour;
-
-                EdgeEffect = new EdgeEffect
-                {
-                    Colour = glowColour,
-                    Type = EdgeEffectType.Glow,
-                    Radius = 10,
-                    Roundness = 8,
-                };
+                Masking = true;                
 
                 CornerRadius = Height / 2;
                 Masking = true;
@@ -176,19 +164,33 @@ namespace osu.Game.Overlays.Options
                 };
             }
 
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours)
+            {
+                Colour = idleColour = colours.Pink;
+
+                EdgeEffect = new EdgeEffect
+                {
+                    Colour = glowingColour = colours.PinkDarker,
+                    Type = EdgeEffectType.Glow,
+                    Radius = 10,
+                    Roundness = 8,
+                };
+            }
+
             public bool Glowing
             {
                 set
                 {
                     if (value)
                     {
-                        FadeColour(hoverColour, 500, EasingTypes.OutQuint);
+                        FadeColour(glowingColour, 500, EasingTypes.OutQuint);
                         FadeGlowTo(1, 500, EasingTypes.OutQuint);
                     }
                     else
                     {
                         FadeGlowTo(0, 500);
-                        FadeColour(defaultColour, 500);
+                        FadeColour(idleColour, 500);
                     }
                 }
             }
diff --git a/osu.Game/Overlays/Options/DropdownOption.cs b/osu.Game/Overlays/Options/DropdownOption.cs
index e843e15993..6262673734 100644
--- a/osu.Game/Overlays/Options/DropdownOption.cs
+++ b/osu.Game/Overlays/Options/DropdownOption.cs
@@ -5,6 +5,7 @@ using System.Linq;
 using System.Reflection;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -131,9 +132,6 @@ namespace osu.Game.Overlays.Options
 
         private class StyledDropDownComboBox : DropDownComboBox
         {
-            protected override Color4 BackgroundColour => new Color4(0, 0, 0, 128);
-            protected override Color4 BackgroundColourHover => new Color4(187, 17, 119, 255);
-
             private SpriteText label;
             protected override string Label
             {
@@ -157,14 +155,17 @@ namespace osu.Game.Overlays.Options
                     }
                 };
             }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours)
+            {
+                BackgroundColour = Color4.Black.Opacity(0.5f);
+                BackgroundColourHover = colours.PinkDarker;
+            }
         }
 
         private class StyledDropDownMenuItem<U> : DropDownMenuItem<U>
         {
-            protected override Color4 BackgroundColour => new Color4(0, 0, 0, 128);
-            protected override Color4 BackgroundColourSelected => new Color4(0, 0, 0, 128);
-            protected override Color4 BackgroundColourHover => new Color4(187, 17, 119, 255);
-        
             public StyledDropDownMenuItem(string text, U value) : base(text, value)
             {
                 AutoSizeAxes = Axes.None;
@@ -193,6 +194,14 @@ namespace osu.Game.Overlays.Options
                     }
                 };
             }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colours)
+            {
+                BackgroundColour = Color4.Black.Opacity(0.5f);
+                BackgroundColourHover = colours.PinkDarker;
+                BackgroundColourSelected = Color4.Black.Opacity(0.5f);
+            }
         }
     }
 }
diff --git a/osu.Game/Overlays/Options/OptionsSection.cs b/osu.Game/Overlays/Options/OptionsSection.cs
index 256d5c8218..5a5f22275b 100644
--- a/osu.Game/Overlays/Options/OptionsSection.cs
+++ b/osu.Game/Overlays/Options/OptionsSection.cs
@@ -3,6 +3,7 @@
 
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Primitives;
@@ -19,14 +20,16 @@ namespace osu.Game.Overlays.Options
         public abstract FontAwesome Icon { get; }
         public abstract string Header { get; }
 
+        private SpriteText headerLabel;
+
         public OptionsSection()
         {
             Margin = new MarginPadding { Top = 20 };
-
-            const int headerSize = 26, headerMargin = 25;
-            const int borderSize = 2;
             AutoSizeAxes = Axes.Y;
             RelativeSizeAxes = Axes.X;
+            
+            const int headerSize = 26, headerMargin = 25;
+            const int borderSize = 2;
             AddInternal(new Drawable[]
             {
                 new Box
@@ -48,10 +51,9 @@ namespace osu.Game.Overlays.Options
                     AutoSizeAxes = Axes.Y,
                     Children = new[]
                     {
-                        new SpriteText
+                        headerLabel = new SpriteText
                         {
                             TextSize = headerSize,
-                            Colour = new Color4(247, 198, 35, 255),
                             Text = Header,
                         },
                         content = new FlowContainer
@@ -66,5 +68,11 @@ namespace osu.Game.Overlays.Options
                 },
             });
         }
+        
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            headerLabel.Colour = colours.Pink;
+        }
     }
 }
\ No newline at end of file
diff --git a/osu.Game/Overlays/Options/SidebarButton.cs b/osu.Game/Overlays/Options/SidebarButton.cs
index a1edc997a1..da2704ee60 100644
--- a/osu.Game/Overlays/Options/SidebarButton.cs
+++ b/osu.Game/Overlays/Options/SidebarButton.cs
@@ -4,6 +4,7 @@
 using System;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
@@ -55,44 +56,49 @@ namespace osu.Game.Overlays.Options
             RelativeSizeAxes = Axes.X;
             Children = new Drawable[]
             {
-                    backgroundBox = new Box
+                backgroundBox = new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    BlendingMode = BlendingMode.Additive,
+                    Colour = OsuColour.Gray(60),
+                    Alpha = 0,
+                },
+                new Container
+                {
+                    Width = OptionsSidebar.default_width,
+                    RelativeSizeAxes = Axes.Y,
+                    Children = new[]
                     {
-                        RelativeSizeAxes = Axes.Both,
-                        BlendingMode = BlendingMode.Additive,
-                        Colour = new Color4(60, 60, 60, 255),
-                        Alpha = 0,
-                    },
-                    new Container
-                    {
-                        Width = OptionsSidebar.default_width,
-                        RelativeSizeAxes = Axes.Y,
-                        Children = new[]
+                        drawableIcon = new TextAwesome
                         {
-                            drawableIcon = new TextAwesome
-                            {
-                                Anchor = Anchor.Centre,
-                                Origin = Anchor.Centre,
-                            },
-                        }
-                    },
-                    headerText = new SpriteText
-                    {
-                        Position = new Vector2(OptionsSidebar.default_width + 10, 0),
-                        Anchor = Anchor.CentreLeft,
-                        Origin = Anchor.CentreLeft,
-                    },
-                    selectionIndicator = new Box
-                    {
-                        Alpha = 0,
-                        RelativeSizeAxes = Axes.Y,
-                        Width = 5,
-                        Anchor = Anchor.CentreRight,
-                        Origin = Anchor.CentreRight,
-                        Colour = new Color4(247, 198, 35, 255)
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                        },
                     }
+                },
+                headerText = new SpriteText
+                {
+                    Position = new Vector2(OptionsSidebar.default_width + 10, 0),
+                    Anchor = Anchor.CentreLeft,
+                    Origin = Anchor.CentreLeft,
+                },
+                selectionIndicator = new Box
+                {
+                    Alpha = 0,
+                    RelativeSizeAxes = Axes.Y,
+                    Width = 5,
+                    Anchor = Anchor.CentreRight,
+                    Origin = Anchor.CentreRight,
+                }
             };
         }
 
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            selectionIndicator.Colour = colours.Pink;
+        }
+
         protected override bool OnClick(InputState state)
         {
             Action?.Invoke();
diff --git a/osu.Game/Overlays/Options/SliderOption.cs b/osu.Game/Overlays/Options/SliderOption.cs
index 44b7935945..e2e387d348 100644
--- a/osu.Game/Overlays/Options/SliderOption.cs
+++ b/osu.Game/Overlays/Options/SliderOption.cs
@@ -16,6 +16,8 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Transformations;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input;
+using osu.Game.Graphics;
+using System.Linq;
 
 namespace osu.Game.Overlays.Options
 {
@@ -84,7 +86,6 @@ namespace osu.Game.Overlays.Options
                         RelativeSizeAxes = Axes.None,
                         Anchor = Anchor.CentreLeft,
                         Origin = Anchor.CentreLeft,
-                        Colour = new Color4(255, 102, 170, 255),
                     },
                     rightBox = new Box
                     {
@@ -92,7 +93,6 @@ namespace osu.Game.Overlays.Options
                         RelativeSizeAxes = Axes.None,
                         Anchor = Anchor.CentreRight,
                         Origin = Anchor.CentreRight,
-                        Colour = new Color4(255, 102, 170, 255),
                         Alpha = 0.5f,
                     },
                     nub = new Container
@@ -104,13 +104,11 @@ namespace osu.Game.Overlays.Options
                         AutoSizeAxes = Axes.None,
                         RelativeSizeAxes = Axes.None,
                         Masking = true,
-                        BorderColour = new Color4(255, 102, 170, 255),
                         BorderThickness = 3,
                         Children = new[]
                         {
                             new Box
                             {
-                                Colour = new Color4(255, 102, 170, 0),
                                 RelativeSizeAxes = Axes.Both
                             }
                         }
@@ -119,9 +117,13 @@ namespace osu.Game.Overlays.Options
             }
 
             [BackgroundDependencyLoader]
-            private void load(AudioManager audio)
+            private void load(AudioManager audio, OsuColour colours)
             {
                 sample = audio.Sample.Get(@"Sliderbar/sliderbar");
+                leftBox.Colour = colours.Pink;
+                rightBox.Colour = colours.Pink;
+                nub.BorderColour = colours.Pink;
+                (nub.Children.First() as Box).Colour = colours.Pink.Opacity(0);
             }
 
             private void playSample()
diff --git a/osu.Game/Overlays/OptionsOverlay.cs b/osu.Game/Overlays/OptionsOverlay.cs
index 33677799f1..0767a70739 100644
--- a/osu.Game/Overlays/OptionsOverlay.cs
+++ b/osu.Game/Overlays/OptionsOverlay.cs
@@ -23,6 +23,7 @@ using osu.Game.Overlays.Options.Graphics;
 using osu.Game.Overlays.Options.Input;
 using osu.Game.Overlays.Options.Online;
 using System;
+using osu.Game.Graphics;
 
 namespace osu.Game.Overlays
 {
@@ -45,6 +46,13 @@ namespace osu.Game.Overlays
         private float lastKnownScroll;
 
         public OptionsOverlay()
+        {
+            RelativeSizeAxes = Axes.Y;
+            AutoSizeAxes = Axes.X;
+        }
+
+        [BackgroundDependencyLoader(permitNulls: true)]
+        private void load(OsuGame game, OsuColour colours)
         {
             sections = new OptionsSection[]
             {
@@ -58,10 +66,6 @@ namespace osu.Game.Overlays
                 new OnlineSection(),
                 new MaintenanceSection(),
             };
-
-            RelativeSizeAxes = Axes.Y;
-            AutoSizeAxes = Axes.X;
-
             Children = new Drawable[]
             {
                 new Box
@@ -94,7 +98,7 @@ namespace osu.Game.Overlays
                                 },
                                 new SpriteText
                                 {
-                                    Colour = new Color4(255, 102, 170, 255),
+                                    Colour = colours.Pink,
                                     Text = "Change the way osu! behaves",
                                     TextSize = 18,
                                     Margin = new MarginPadding { Left = CONTENT_MARGINS, Bottom = 30 },
@@ -123,11 +127,7 @@ namespace osu.Game.Overlays
                     ).ToArray()
                 }
             };
-        }
-
-        [BackgroundDependencyLoader(permitNulls: true)]
-        private void load(OsuGame game)
-        {
+        
             scrollContainer.Padding = new MarginPadding { Top = game?.Toolbar.DrawHeight ?? 0 };
         }
 
diff --git a/osu.Game/Overlays/Toolbar/Toolbar.cs b/osu.Game/Overlays/Toolbar/Toolbar.cs
index df6168b6c5..783f7b65da 100644
--- a/osu.Game/Overlays/Toolbar/Toolbar.cs
+++ b/osu.Game/Overlays/Toolbar/Toolbar.cs
@@ -66,7 +66,7 @@ namespace osu.Game.Overlays.Toolbar
                 solidBackground = new Box
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Colour = new Color4(0.1f, 0.1f, 0.1f, 1),
+                    Colour = OsuColour.Gray(0.1f),
                     Alpha = alpha_normal,
                 },
                 gradientBackground = new Box
@@ -75,7 +75,8 @@ namespace osu.Game.Overlays.Toolbar
                     Anchor = Anchor.BottomLeft,
                     Alpha = 0,
                     Height = 90,
-                    ColourInfo = ColourInfo.GradientVertical(new Color4(0.1f, 0.1f, 0.1f, 0.5f), new Color4(0.1f, 0.1f, 0.1f, 0f)),
+                    ColourInfo = ColourInfo.GradientVertical(
+                        OsuColour.Gray(0.1f).Opacity(0.5f), OsuColour.Gray(0.1f).Opacity(0)),
                 },
                 new FlowContainer
                 {
diff --git a/osu.Game/Overlays/Toolbar/ToolbarButton.cs b/osu.Game/Overlays/Toolbar/ToolbarButton.cs
index 80b2fcdb42..47f2df8d3f 100644
--- a/osu.Game/Overlays/Toolbar/ToolbarButton.cs
+++ b/osu.Game/Overlays/Toolbar/ToolbarButton.cs
@@ -70,7 +70,7 @@ namespace osu.Game.Overlays.Toolbar
                 HoverBackground = new Box
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Colour = new Color4(80, 80, 80, 180),
+                    Colour = OsuColour.Gray(80).Opacity(180),
                     BlendingMode = BlendingMode.Additive,
                     Alpha = 0,
                 },
@@ -144,7 +144,7 @@ namespace osu.Game.Overlays.Toolbar
         {
             Action?.Invoke();
             sampleClick.Play();
-            HoverBackground.FlashColour(new Color4(255, 255, 255, 100), 500, EasingTypes.OutQuint);
+            HoverBackground.FlashColour(Color4.White.Opacity(100), 500, EasingTypes.OutQuint);
             return true;
         }
 
@@ -174,7 +174,7 @@ namespace osu.Game.Overlays.Toolbar
                 new Box
                 {
                     RelativeSizeAxes = Axes.Both,
-                    Colour = new Color4(30, 30, 30, 255)
+                    Colour = OsuColour.Gray(30)
                 },
                 new Triangles
                 {
diff --git a/osu.Game/Overlays/Toolbar/ToolbarModeSelector.cs b/osu.Game/Overlays/Toolbar/ToolbarModeSelector.cs
index 22c214d82f..68ae31e934 100644
--- a/osu.Game/Overlays/Toolbar/ToolbarModeSelector.cs
+++ b/osu.Game/Overlays/Toolbar/ToolbarModeSelector.cs
@@ -13,6 +13,7 @@ using osu.Game.Graphics.Backgrounds;
 using osu.Game.Modes;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Graphics;
 
 namespace osu.Game.Overlays.Toolbar
 {
diff --git a/osu.Game/Overlays/Toolbar/ToolbarOverlayToggleButton.cs b/osu.Game/Overlays/Toolbar/ToolbarOverlayToggleButton.cs
index b72a358456..3e8a1831aa 100644
--- a/osu.Game/Overlays/Toolbar/ToolbarOverlayToggleButton.cs
+++ b/osu.Game/Overlays/Toolbar/ToolbarOverlayToggleButton.cs
@@ -17,6 +17,7 @@ using osu.Game.Configuration;
 using osu.Game.Online.API;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Graphics;
 
 namespace osu.Game.Overlays.Toolbar
 {
@@ -41,7 +42,7 @@ namespace osu.Game.Overlays.Toolbar
             Add(StateBackground = new Box
             {
                 RelativeSizeAxes = Axes.Both,
-                Colour = new Color4(150, 150, 150, 180),
+                Colour = OsuColour.Gray(150).Opacity(180),
                 BlendingMode = BlendingMode.Additive,
                 Depth = 2,
                 Alpha = 0,
diff --git a/osu.Game/Overlays/Toolbar/ToolbarUserButton.cs b/osu.Game/Overlays/Toolbar/ToolbarUserButton.cs
index 09708fc403..e093dbeca0 100644
--- a/osu.Game/Overlays/Toolbar/ToolbarUserButton.cs
+++ b/osu.Game/Overlays/Toolbar/ToolbarUserButton.cs
@@ -16,6 +16,7 @@ using osu.Game.Configuration;
 using osu.Game.Online.API;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Game.Graphics;
 
 namespace osu.Game.Overlays.Toolbar
 {
@@ -73,7 +74,7 @@ namespace osu.Game.Overlays.Toolbar
                 {
                     Type = EdgeEffectType.Shadow,
                     Radius = 4,
-                    Colour = new Color4(0, 0, 0, 0.1f),
+                    Colour = Color4.Black.Opacity(0.1f),
                 };
 
                 Masking = true;
diff --git a/osu.Game/Screens/Menu/Button.cs b/osu.Game/Screens/Menu/Button.cs
index 28158457dd..719d75b018 100644
--- a/osu.Game/Screens/Menu/Button.cs
+++ b/osu.Game/Screens/Menu/Button.cs
@@ -64,7 +64,7 @@ namespace osu.Game.Screens.Menu
                     EdgeEffect = new EdgeEffect
                     {
                         Type = EdgeEffectType.Shadow,
-                        Colour = new Color4(0, 0, 0, 0.2f),
+                        Colour = Color4.Black.Opacity(0.2f),
                         Roundness = 5,
                         Radius = 8,
                     },
diff --git a/osu.Game/Screens/Menu/ButtonSystem.cs b/osu.Game/Screens/Menu/ButtonSystem.cs
index 6e15d458c1..8825f9474b 100644
--- a/osu.Game/Screens/Menu/ButtonSystem.cs
+++ b/osu.Game/Screens/Menu/ButtonSystem.cs
@@ -72,7 +72,7 @@ namespace osu.Game.Screens.Menu
                         {
                             RelativeSizeAxes = Axes.Both,
                             Size = new Vector2(2, 1),
-                            Colour = new Color4(50, 50, 50, 255),
+                            Colour = OsuColour.Gray(50),
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
                         },
diff --git a/osu.Game/Screens/Select/BeatmapInfoWedge.cs b/osu.Game/Screens/Select/BeatmapInfoWedge.cs
index 81cd55d429..aad2982544 100644
--- a/osu.Game/Screens/Select/BeatmapInfoWedge.cs
+++ b/osu.Game/Screens/Select/BeatmapInfoWedge.cs
@@ -14,6 +14,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Database;
 using osu.Framework.Graphics.Colour;
 using osu.Game.Beatmaps.Drawables;
+using osu.Game.Graphics;
 
 namespace osu.Game.Screens.Select
 {
@@ -80,7 +81,7 @@ namespace osu.Game.Screens.Select
                     new Container
                     {
                         RelativeSizeAxes = Axes.Both,
-                        ColourInfo = ColourInfo.GradientVertical(Color4.White, new Color4(1f, 1f, 1f, 0.3f)),
+                        ColourInfo = ColourInfo.GradientVertical(Color4.White, Color4.White.Opacity(0.3f)),
                         Children = new []
                         {
                             // Zoomed-in and cropped beatmap background
@@ -93,53 +94,53 @@ namespace osu.Game.Screens.Select
                         },
                     },
                     // Text for beatmap info
-                    new FlowContainer
-                    {
-                        Anchor = Anchor.BottomLeft,
-                        Origin = Anchor.BottomLeft,
-                        Direction = FlowDirection.VerticalOnly,
-                        Margin = new MarginPadding { Top = 10, Left = 25, Right = 10, Bottom = 40 },
-                        AutoSizeAxes = Axes.Both,
-                        Children = new[]
-                        {
-                            new SpriteText
-                            {
-                                Font = @"Exo2.0-MediumItalic",
-                                Text = beatmapSetInfo.Metadata.Artist + " -- " + beatmapSetInfo.Metadata.Title,
-                                TextSize = 28,
-                                Shadow = true,
-                            },
-                            new SpriteText
-                            {
-                                Font = @"Exo2.0-MediumItalic",
-                                Text = beatmapInfo.Version,
-                                TextSize = 17,
-                                Shadow = true,
-                            },
-                            new FlowContainer
+                    new FlowContainer
+                    {
+                        Anchor = Anchor.BottomLeft,
+                        Origin = Anchor.BottomLeft,
+                        Direction = FlowDirection.VerticalOnly,
+                        Margin = new MarginPadding { Top = 10, Left = 25, Right = 10, Bottom = 40 },
+                        AutoSizeAxes = Axes.Both,
+                        Children = new[]
+                        {
+                            new SpriteText
+                            {
+                                Font = @"Exo2.0-MediumItalic",
+                                Text = beatmapSetInfo.Metadata.Artist + " -- " + beatmapSetInfo.Metadata.Title,
+                                TextSize = 28,
+                                Shadow = true,
+                            },
+                            new SpriteText
+                            {
+                                Font = @"Exo2.0-MediumItalic",
+                                Text = beatmapInfo.Version,
+                                TextSize = 17,
+                                Shadow = true,
+                            },
+                            new FlowContainer
                             {
                                 Margin = new MarginPadding { Top = 10 },
                                 Direction = FlowDirection.HorizontalOnly,
                                 AutoSizeAxes = Axes.Both,
                                 Children = new []
                                 {
-                                    new SpriteText
-                                    {
-                                        Font = @"Exo2.0-Medium",
-                                        Text = "mapped by ",
-                                        TextSize = 15,
-                                        Shadow = true,
+                                    new SpriteText
+                                    {
+                                        Font = @"Exo2.0-Medium",
+                                        Text = "mapped by ",
+                                        TextSize = 15,
+                                        Shadow = true,
                                     },
-                                    new SpriteText
-                                    {
-                                        Font = @"Exo2.0-Bold",
-                                        Text = beatmapSetInfo.Metadata.Author,
-                                        TextSize = 15,
-                                        Shadow = true,
+                                    new SpriteText
+                                    {
+                                        Font = @"Exo2.0-Bold",
+                                        Text = beatmapSetInfo.Metadata.Author,
+                                        TextSize = 15,
+                                        Shadow = true,
                                     },
                                 }
-                            }
-                        }
+                            }
+                        }
                     }
                 }
             }).Preload(game, delegate(Drawable d)
diff --git a/osu.Game/Screens/Select/PlaySongSelect.cs b/osu.Game/Screens/Select/PlaySongSelect.cs
index 3a74c42029..aba48f2401 100644
--- a/osu.Game/Screens/Select/PlaySongSelect.cs
+++ b/osu.Game/Screens/Select/PlaySongSelect.cs
@@ -30,6 +30,7 @@ using osu.Game.Beatmaps.Drawables;
 using osu.Game.Graphics.Containers;
 using osu.Framework.Input;
 using OpenTK.Input;
+using osu.Game.Graphics;
 
 namespace osu.Game.Screens.Select
 {
@@ -62,7 +63,7 @@ namespace osu.Game.Screens.Select
                     {
                         RelativeSizeAxes = Axes.Both,
                         Size = new Vector2(1, 0.5f),
-                        Colour = new Color4(0, 0, 0, 0.5f),
+                        Colour = Color4.Black.Opacity(0.5f),
                         Shear = new Vector2(0.15f, 0),
                         EdgeSmoothness = new Vector2(2, 0),
                     },
@@ -72,7 +73,7 @@ namespace osu.Game.Screens.Select
                         RelativePositionAxes = Axes.Y,
                         Size = new Vector2(1, -0.5f),
                         Position = new Vector2(0, 1),
-                        Colour = new Color4(0, 0, 0, 0.5f),
+                        Colour = Color4.Black.Opacity(0.5f),
                         Shear = new Vector2(-0.15f, 0),
                         EdgeSmoothness = new Vector2(2, 0),
                     },
@@ -80,7 +81,34 @@ namespace osu.Game.Screens.Select
             }
         }
 
-        public PlaySongSelect()
+        Player player;
+
+        private void start()
+        {
+            if (player != null)
+                return;
+
+            //in the future we may want to move this logic to a PlayerLoader gamemode or similar, so we can rely on the SongSelect transition
+            //and provide a better loading experience (at the moment song select is still accepting input during preload).
+            player = new Player
+            {
+                BeatmapInfo = carousel.SelectedGroup.SelectedPanel.Beatmap,
+                PreferredPlayMode = playMode.Value
+            };
+
+            player.Preload(Game, delegate
+            {
+                if (!Push(player))
+                {
+                    player = null;
+                    //error occured?
+                }
+            });
+        }
+
+        [BackgroundDependencyLoader(permitNulls: true)]
+        private void load(BeatmapDatabase beatmaps, AudioManager audio, BaseGame game,
+            OsuGame osuGame, OsuColour colours)
         {
             const float carouselWidth = 640;
             const float bottomToolHeight = 50;
@@ -126,7 +154,7 @@ namespace osu.Game.Screens.Select
                         {
                             RelativeSizeAxes = Axes.Both,
                             Size = Vector2.One,
-                            Colour = new Color4(0, 0, 0, 0.5f),
+                            Colour = Color4.Black.Opacity(0.5f),
                         },
                         new BackButton
                         {
@@ -142,42 +170,13 @@ namespace osu.Game.Screens.Select
                             RelativeSizeAxes = Axes.Y,
                             Width = 100,
                             Text = "Play",
-                            Colour = new Color4(238, 51, 153, 255),
+                            Colour = colours.Pink,
                             Action = start
                         },
                     }
                 }
             };
-        }
-
-        Player player;
-
-        private void start()
-        {
-            if (player != null)
-                return;
-
-            //in the future we may want to move this logic to a PlayerLoader gamemode or similar, so we can rely on the SongSelect transition
-            //and provide a better loading experience (at the moment song select is still accepting input during preload).
-            player = new Player
-            {
-                BeatmapInfo = carousel.SelectedGroup.SelectedPanel.Beatmap,
-                PreferredPlayMode = playMode.Value
-            };
-
-            player.Preload(Game, delegate
-            {
-                if (!Push(player))
-                {
-                    player = null;
-                    //error occured?
-                }
-            });
-        }
-
-        [BackgroundDependencyLoader(permitNulls: true)]
-        private void load(BeatmapDatabase beatmaps, AudioManager audio, BaseGame game, OsuGame osuGame)
-        {
+        
             if (osuGame != null)
             {
                 playMode = osuGame.PlayMode;
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index a15cd5db7d..a4da659718 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -231,6 +231,7 @@
     <Compile Include="Configuration\ScreenshotFormat.cs" />
     <Compile Include="Configuration\FrameSync.cs" />
     <Compile Include="Configuration\ConfineMouseMode.cs" />
+    <Compile Include="Graphics\OsuColour.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\osu-framework\osu.Framework\osu.Framework.csproj">