diff --git a/release/datafiles/userdef/userdef_default_theme.c b/release/datafiles/userdef/userdef_default_theme.c
index 4d0442c8f75..bdbd8386856 100644
--- a/release/datafiles/userdef/userdef_default_theme.c
+++ b/release/datafiles/userdef/userdef_default_theme.c
@@ -1108,28 +1108,28 @@ const bTheme U_theme_default = {
   },
   .collection_color = {
     {
-      .color = RGBA(0xe4312bff),
+      .color = RGBA(0xe2605bff),
     },
     {
-      .color = RGBA(0xef7e42ff),
+      .color = RGBA(0xf1a355ff),
     },
     {
-      .color = RGBA(0xe4dd52ff),
+      .color = RGBA(0xf1dc55ff),
     },
     {
-      .color = RGBA(0x9ac546ff),
+      .color = RGBA(0x7bcc7bff),
     },
     {
-      .color = RGBA(0x46bcc2ff),
+      .color = RGBA(0x5db6eaff),
     },
     {
-      .color = RGBA(0x8b65dcff),
+      .color = RGBA(0x8d59daff),
     },
     {
-      .color = RGBA(0x999999ff),
+      .color = RGBA(0xc673b8ff),
     },
     {
-      .color = RGBA(0x06d4432ff),
+      .color = RGBA(0x7a5441ff),
     },
   },
 };
diff --git a/release/scripts/presets/interface_theme/blender_light.xml b/release/scripts/presets/interface_theme/blender_light.xml
index a5671ee0fbe..7c9b769e806 100644
--- a/release/scripts/presets/interface_theme/blender_light.xml
+++ b/release/scripts/presets/interface_theme/blender_light.xml
@@ -1454,6 +1454,40 @@
         >
       </ThemeBoneColorSet>
     </bone_color_sets>
+    <collection_color>
+      <ThemeCollectionColor
+        color="#dd473f"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#e5a057"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#e4d050"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#3fb931"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#3887c7"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#844fcd"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#c169b5"
+        >
+      </ThemeCollectionColor>
+      <ThemeCollectionColor
+        color="#7a5441"
+        >
+      </ThemeCollectionColor>
+    </collection_color>
   </Theme>
   <ThemeStyle>
     <panel_title>
diff --git a/release/scripts/startup/bl_ui/space_outliner.py b/release/scripts/startup/bl_ui/space_outliner.py
index c61b6218dda..47708db6854 100644
--- a/release/scripts/startup/bl_ui/space_outliner.py
+++ b/release/scripts/startup/bl_ui/space_outliner.py
@@ -370,7 +370,7 @@ class OUTLINER_PT_filter(Panel):
         col = layout.column(align=True)
 
         row = col.row()
-        row.label(icon='GROUP')
+        row.label(icon='OUTLINER_COLLECTION')
         row.prop(space, "use_filter_collection", text="Collections")
         row = col.row()
         row.label(icon='OBJECT_DATAMODE')
diff --git a/source/blender/blenloader/intern/versioning_userdef.c b/source/blender/blenloader/intern/versioning_userdef.c
index 7d7c68beb8f..5aa0e46aa46 100644
--- a/source/blender/blenloader/intern/versioning_userdef.c
+++ b/source/blender/blenloader/intern/versioning_userdef.c
@@ -257,6 +257,9 @@ static void do_versions_theme(const UserDef *userdef, bTheme *btheme)
    */
   {
     /* Keep this block, even when empty. */
+    for (int i = 0; i < COLLECTION_COLOR_TOT; ++i) {
+      FROM_DEFAULT_V4_UCHAR(collection_color[i].color);
+    }
   }
 
 #undef FROM_DEFAULT_V4_UCHAR