diff --git a/osu.Game/Screens/Ranking/CollectionButton.cs b/osu.Game/Screens/Ranking/CollectionButton.cs
index 4d53125005..804ffe9f75 100644
--- a/osu.Game/Screens/Ranking/CollectionButton.cs
+++ b/osu.Game/Screens/Ranking/CollectionButton.cs
@@ -1,26 +1,43 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.Linq;
 using osu.Framework.Allocation;
+using osu.Framework.Bindables;
 using osu.Framework.Extensions;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Cursor;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
 using osu.Game.Beatmaps;
+using osu.Game.Collections;
+using osu.Game.Database;
 using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
 using osuTK;
+using Realms;
 
 namespace osu.Game.Screens.Ranking
 {
     public partial class CollectionButton : GrayButton, IHasPopover
     {
         private readonly BeatmapInfo beatmapInfo;
+        private readonly Bindable<bool> current;
+
+        [Resolved]
+        private RealmAccess realmAccess { get; set; } = null!;
+
+        private IDisposable? collectionSubscription;
+
+        [Resolved]
+        private OsuColour colours { get; set; } = null!;
 
         public CollectionButton(BeatmapInfo beatmapInfo)
             : base(FontAwesome.Solid.Book)
         {
             this.beatmapInfo = beatmapInfo;
+            current = new Bindable<bool>(false);
 
             Size = new Vector2(75, 30);
 
@@ -28,13 +45,37 @@ namespace osu.Game.Screens.Ranking
         }
 
         [BackgroundDependencyLoader]
-        private void load(OsuColour colours)
+        private void load()
         {
-            Background.Colour = colours.Green;
-
             Action = this.ShowPopover;
         }
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            collectionSubscription = realmAccess.RegisterForNotifications(r => r.All<BeatmapCollection>(), updateRealm);
+
+            current.BindValueChanged(_ => updateState(), true);
+        }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            collectionSubscription?.Dispose();
+        }
+
+        private void updateRealm(IRealmCollection<BeatmapCollection> sender, ChangeSet? changes)
+        {
+            current.Value = sender.AsEnumerable().Any(c => c.BeatmapMD5Hashes.Contains(beatmapInfo.MD5Hash));
+        }
+
+        private void updateState()
+        {
+            Background.FadeColour(current.Value ? colours.Green : colours.Gray4, 500, Easing.InOutExpo);
+        }
+
         public Popover GetPopover() => new CollectionPopover(beatmapInfo);
     }
 }