Index: /CKEditor/branches/features/aria/_source/plugins/colorbutton/plugin.js
===================================================================
--- /CKEditor/branches/features/aria/_source/plugins/colorbutton/plugin.js	(revision 4932)
+++ /CKEditor/branches/features/aria/_source/plugins/colorbutton/plugin.js	(revision 4933)
@@ -44,6 +44,8 @@
 						var keys = block.keys;
 						keys[ 39 ]	= 'next';					// ARROW-RIGHT
+						keys[ 40 ]	= 'next';					// ARROW-DOWN
 						keys[ 9 ]	= 'next';					// TAB
 						keys[ 37 ]	= 'prev';					// ARROW-LEFT
+						keys[ 38 ]	= 'prev';					// ARROW-UP
 						keys[ CKEDITOR.SHIFT + 9 ]	= 'prev';	// SHIFT + TAB
 						keys[ 32 ]	= 'click';					// SPACE