diff --git a/library/src/com/google/maps/android/clustering/view/DefaultClusterRenderer.java b/library/src/com/google/maps/android/clustering/view/DefaultClusterRenderer.java
index aeb0691bb..6b9e0df41 100644
--- a/library/src/com/google/maps/android/clustering/view/DefaultClusterRenderer.java
+++ b/library/src/com/google/maps/android/clustering/view/DefaultClusterRenderer.java
@@ -198,7 +198,7 @@ private SquareTextView makeSquareTextView(Context context) {
         return squareTextView;
     }
 
-    private int getColor(int clusterSize) {
+    protected int getColor(int clusterSize) {
         final float hueRange = 220;
         final float sizeRange = 300;
         final float size = Math.min(clusterSize, sizeRange);