Index: wp-admin/wp-admin.css
===================================================================
--- wp-admin/wp-admin.css	(revision 7272)
+++ wp-admin/wp-admin.css	(working copy)
@@ -834,6 +834,8 @@
 .form-table .color-palette td {
 	border-bottom: none;
 	border: 1px solid #fff;
+	font-size: 1px;
+	line-height: 1px;
 }
 
 #profile-page .form-table textarea {
Index: wp-admin/user-edit.php
===================================================================
--- wp-admin/user-edit.php	(revision 7272)
+++ wp-admin/user-edit.php	(working copy)
@@ -166,7 +166,7 @@
 	<tr>
 	<?php
 	foreach ( $color_info->colors as $color ): ?>
-	<td style="background-color: <?php echo $color ?>" title="<?php echo $color ?>"></td>
+	<td style="background-color: <?php echo $color ?>" title="<?php echo $color ?>">&nbsp;</td>
 	<?php endforeach; ?>
 	</tr>
 	</table>