Index: wp-admin/js/customize-controls.dev.js
===================================================================
--- wp-admin/js/customize-controls.dev.js	(revision 21021)
+++ wp-admin/js/customize-controls.dev.js	(working copy)
@@ -119,6 +119,10 @@
 				control.farbtastic.setColor( color );
 			};
 
+			input.element.change(function() {
+				update($(this).val())
+			});
+
 			this.farbtastic = $.farbtastic( this.container.find('.farbtastic-placeholder'), control.setting.set );
 
 			// Only pass through values that are valid hexes/empty.
@@ -787,4 +791,4 @@
 		api.trigger( 'ready' );
 	});
 
-})( wp, jQuery );
\ No newline at end of file
+})( wp, jQuery );