Index: _source/plugins/colorbutton/plugin.js
===================================================================
--- _source/plugins/colorbutton/plugin.js	(revision 3678)
+++ _source/plugins/colorbutton/plugin.js	(working copy)
@@ -66,7 +66,7 @@
 
 					panel.hide();
 
-					var style = new CKEDITOR.style( config['colorButton_' + type + 'Style'], { color : color || '#000' } );
+					var style = new CKEDITOR.style( config['colorButton_' + type + 'Style'], color && { color : color } );
 
 					editor.fire( 'saveSnapshot' );
 					if ( color )