diff --git a/src/Speckle.Core/Models/Collections/Collection.cs b/src/Speckle.Core/Models/Collections/Collection.cs
index d702dcd8..f0cedd39 100644
--- a/src/Speckle.Core/Models/Collections/Collection.cs
+++ b/src/Speckle.Core/Models/Collections/Collection.cs
@@ -17,11 +17,9 @@ public Collection() { }
   /// Constructor for a basic collection.
   /// </summary>
   /// <param name="name">The human-readable name of this collection</param>
-  /// <param name="collectionType"></param>
-  public Collection(string name, string collectionType)
+  public Collection(string name)
   {
     this.name = name;
-    this.collectionType = collectionType;
   }
 
   /// <summary>
diff --git a/src/Speckle.Core/Models/Collections/Interfaces.cs b/src/Speckle.Core/Models/Collections/Interfaces.cs
deleted file mode 100644
index 2ecab1ee..00000000
--- a/src/Speckle.Core/Models/Collections/Interfaces.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace Speckle.Core.Models.Collections;
-
-/// <summary>
-/// Represents a collection that has a <see cref="IHasColor.color"/>
-/// </summary>
-public interface IHasColor
-{
-  /// <summary>
-  /// The argb int value of the collection color
-  /// </summary>
-  public int color { get; set; }
-}
diff --git a/src/Speckle.Core/Models/Collections/Layer.cs b/src/Speckle.Core/Models/Collections/Layer.cs
index 9f1de176..027a0eca 100644
--- a/src/Speckle.Core/Models/Collections/Layer.cs
+++ b/src/Speckle.Core/Models/Collections/Layer.cs
@@ -3,7 +3,7 @@ namespace Speckle.Core.Models.Collections;
 /// <summary>
 /// A specialized collection that represents a CAD-app layer. We expect this to grow in the future with possibly other shared props.
 /// </summary>
-public class Layer : Collection, IHasColor
+public class Layer : Collection
 {
   public Layer() { }
 
@@ -11,15 +11,8 @@ public Layer() { }
   /// Constructor for a basic Layer.
   /// </summary>
   /// <param name="name">The human-readable name of this collection</param>
-  /// <param name="color"></param>
-  public Layer(string name, int color)
+  public Layer(string name)
   {
     this.name = name;
-    this.color = color;
   }
-
-  /// <summary>
-  /// The argb int value of the layer color
-  /// </summary>
-  public int color { get; set; }
 }
diff --git a/src/Speckle.Core/Models/Instances/InstanceDefinitionProxy.cs b/src/Speckle.Core/Models/Instances/InstanceDefinitionProxy.cs
index 54227648..a8d4c8ea 100644
--- a/src/Speckle.Core/Models/Instances/InstanceDefinitionProxy.cs
+++ b/src/Speckle.Core/Models/Instances/InstanceDefinitionProxy.cs
@@ -1,3 +1,5 @@
+using Speckle.Core.Models.Proxies;
+
 namespace Speckle.Core.Models.Instances;
 
 /// <summary>
diff --git a/src/Speckle.Core/Models/Proxies/ColorProxy.cs b/src/Speckle.Core/Models/Proxies/ColorProxy.cs
new file mode 100644
index 00000000..f647d041
--- /dev/null
+++ b/src/Speckle.Core/Models/Proxies/ColorProxy.cs
@@ -0,0 +1,31 @@
+using System.Drawing;
+using Speckle.Core.Models.Proxies;
+
+namespace Speckle.Core.Models.Proxies;
+
+/// <summary>
+/// Represents a color that is found on objects and collections in a root collection
+/// </summary>
+public class ColorProxy : Base, IProxyCollection
+{
+  public ColorProxy() { }
+
+  public ColorProxy(int color, string applicationId, string? name)
+  {
+    value = color;
+    this.applicationId = applicationId;
+    this.name = name;
+  }
+
+  public List<string> objects { get; set; }
+
+  /// <summary>
+  /// The argb int of the color
+  /// </summary>
+  public int value { get; set; }
+
+  /// <summary>
+  /// The name, if any, of the color
+  /// </summary>
+  public string? name { get; set; }
+}
diff --git a/src/Speckle.Core/Models/Instances/GroupProxy.cs b/src/Speckle.Core/Models/Proxies/GroupProxy.cs
similarity index 92%
rename from src/Speckle.Core/Models/Instances/GroupProxy.cs
rename to src/Speckle.Core/Models/Proxies/GroupProxy.cs
index 0a94436c..03139fb0 100644
--- a/src/Speckle.Core/Models/Instances/GroupProxy.cs
+++ b/src/Speckle.Core/Models/Proxies/GroupProxy.cs
@@ -1,4 +1,4 @@
-namespace Speckle.Core.Models.Instances;
+namespace Speckle.Core.Models.Proxies;
 
 /// <summary>
 /// Grouped objects with a meaningful way for host application so use this proxy if you want to group object references for any purpose.
diff --git a/src/Speckle.Core/Models/Instances/IProxyCollection.cs b/src/Speckle.Core/Models/Proxies/IProxyCollection.cs
similarity index 91%
rename from src/Speckle.Core/Models/Instances/IProxyCollection.cs
rename to src/Speckle.Core/Models/Proxies/IProxyCollection.cs
index c6a918d6..8f40fb5a 100644
--- a/src/Speckle.Core/Models/Instances/IProxyCollection.cs
+++ b/src/Speckle.Core/Models/Proxies/IProxyCollection.cs
@@ -1,4 +1,4 @@
-namespace Speckle.Core.Models.Instances;
+namespace Speckle.Core.Models.Proxies;
 
 /// <summary>
 /// Collection to proxy objects that lies in definitions, groups or whatever logic in the host app.
diff --git a/src/Speckle.Objects/Other/RenderMaterial.cs b/src/Speckle.Objects/Other/RenderMaterial.cs
index 5ded81cf..8a385e5c 100644
--- a/src/Speckle.Objects/Other/RenderMaterial.cs
+++ b/src/Speckle.Objects/Other/RenderMaterial.cs
@@ -1,7 +1,7 @@
 using System.Drawing;
 using Speckle.Core.Kits;
 using Speckle.Core.Models;
-using Speckle.Core.Models.Instances;
+using Speckle.Core.Models.Proxies;
 using Speckle.Newtonsoft.Json;
 
 namespace Objects.Other;