Expose AccentColour/GlowColour from hud elements, and set from HudOverlay.

osu.Game/Graphics/UserInterface/PercentageCounter.cs

@@ -31,12 +31,6 @@ namespace osu.Game.Graphics.UserInterface
             Current.Value = DisplayedCount = 1.0f;
         }
 
-        [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
-        {
-            DisplayedCountSpriteText.Colour = colours.BlueLighter;
-        }
-
         protected override string FormatCount(double count)
         {
             return $@"{count:P2}";

osu.Game/Graphics/UserInterface/RollingCounter.cs

@@ -10,10 +10,11 @@ using osu.Game.Graphics.Sprites;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using OpenTK.Graphics;
 
 namespace osu.Game.Graphics.UserInterface
 {
-    public abstract class RollingCounter<T> : Container
+    public abstract class RollingCounter<T> : Container, IHasAccentColour
     {
         /// <summary>
         /// The current value.
@@ -80,6 +81,12 @@ namespace osu.Game.Graphics.UserInterface
             }
         }
 
+        public Color4 AccentColour
+        {
+            get { return DisplayedCountSpriteText.Colour; }
+            set { DisplayedCountSpriteText.Colour = value; }
+        }
+
         /// <summary>
         /// Skeleton of a numeric counter which value rolls over time.
         /// </summary>

osu.Game/Graphics/UserInterface/ScoreCounter.cs

@@ -35,12 +35,6 @@ namespace osu.Game.Graphics.UserInterface
             LeadingZeroes = leading;
         }
 
-        [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
-        {
-            DisplayedCountSpriteText.Colour = colours.BlueLighter;
-        }
-
         protected override double GetProportionalDuration(double currentValue, double newValue)
         {
             return currentValue > newValue ? currentValue - newValue : newValue - currentValue;

osu.Game/Graphics/UserInterface/SimpleComboCounter.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Transforms;
@@ -38,12 +39,6 @@ namespace osu.Game.Graphics.UserInterface
             Current.Value = Current + amount;
         }
 
-        [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
-        {
-            DisplayedCountSpriteText.Colour = colours.BlueLighter;
-        }
-
         protected class TransformCount : Transform<int>
         {
             public override int CurrentValue

osu.Game/Modes/UI/StandardHealthDisplay.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using OpenTK;
 using OpenTK.Graphics;
 using osu.Framework.Allocation;
@@ -12,10 +13,35 @@ using osu.Game.Graphics;
 
 namespace osu.Game.Modes.UI
 {
-    public class StandardHealthDisplay : HealthDisplay
+    public class StandardHealthDisplay : HealthDisplay, IHasAccentColour
     {
         private readonly Container fill;
 
+        public Color4 AccentColour
+        {
+            get { return fill.Colour; }
+            set { fill.Colour = value; }
+        }
+
+        private Color4 glowColour;
+        public Color4 GlowColour
+        {
+            get { return glowColour; }
+            set
+            {
+                if (glowColour == value)
+                    return;
+                glowColour = value;
+
+                fill.EdgeEffect = new EdgeEffect
+                {
+                    Colour = glowColour,
+                    Radius = 8,
+                    Type = EdgeEffectType.Glow
+                };
+            }
+        }
+
         public StandardHealthDisplay()
         {
             Children = new Drawable[]
@@ -41,18 +67,6 @@ namespace osu.Game.Modes.UI
             };
         }
 
-        [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
-        {
-            fill.Colour = colours.BlueLighter;
-            fill.EdgeEffect = new EdgeEffect
-            {
-                Colour = colours.BlueDarker.Opacity(0.6f),
-                Radius = 8,
-                Type = EdgeEffectType.Glow
-            };
-        }
-
         protected override void SetHealth(float value) => fill.ScaleTo(new Vector2(value, 1), 200, EasingTypes.OutQuint);
     }
 }

osu.Game/Modes/UI/StandardHudOverlay.cs

@@ -2,8 +2,11 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using OpenTK;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Primitives;
+using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens.Play;
 
@@ -53,5 +56,20 @@ namespace osu.Game.Modes.UI
             TextSize = 40,
             Position = new Vector2(0, 30),
         };
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            ComboCounter.AccentColour = colours.BlueLighter;
+            AccuracyCounter.AccentColour = colours.BlueLighter;
+            ScoreCounter.AccentColour = colours.BlueLighter;
+
+            var shd = HealthDisplay as StandardHealthDisplay;
+            if (shd != null)
+            {
+                shd.AccentColour = colours.BlueLighter;
+                shd.GlowColour = colours.BlueDarker.Opacity(0.6f);
+            }
+        }
     }
 }