function for obtaining color will now work with nulls by setting the key to "default".

RecrownedAthenaeum/UI/SkinSystem/ISkin.cs

@@ -29,10 +29,11 @@ namespace RecrownedAthenaeum.UI.SkinSystem
 
         /// <summary>
         /// Returns a <see cref="Color"/> with given name of defined color;
+        /// Should use value "default" if <paramref name="name"/> is null.
         /// </summary>
         /// <param name="name">Name of defined color.</param>
         /// <returns>The defined color based on the name given.</returns>
-        Color GetColor(string name);
+        Color GetColor(string name = null);
 
         /// <summary>
         /// Returns a <see cref="TextureAtlas.Region"/> with given name of region.