diff --git a/src/dat/controllers/ColorController.js b/src/dat/controllers/ColorController.js
index 870c34f..0f53f7f 100644
--- a/src/dat/controllers/ColorController.js
+++ b/src/dat/controllers/ColorController.js
@@ -176,7 +176,7 @@ class ColorController extends Controller {
 
     function onFinish() {
       if (_this.__onFinishChange) {
-        _this.__onFinishChange.call(_this, _this.__color.toString());
+        _this.__onFinishChange.call(_this, _this.__color.toOriginal());
       }
     }