Index: src/wp-admin/css/colors/_mixins.scss
===================================================================
--- src/wp-admin/css/colors/_mixins.scss	(revision 46569)
+++ src/wp-admin/css/colors/_mixins.scss	(working copy)
@@ -40,8 +40,8 @@
 	&.button-primary-disabled,
 	&.disabled {
 		color: hsl( hue( $button-color ), 10%, 80% ) !important;
-		background: lighten( $button-color, 15% ) !important;
-		border-color: lighten( $button-color, 15% ) !important;
+		background: darken( $button-color, 8% ) !important;
+		border-color: darken( $button-color, 8% ) !important;
 		text-shadow: none !important;
 	}
 }
Index: src/wp-admin/user-edit.php
===================================================================
--- src/wp-admin/user-edit.php	(revision 46569)
+++ src/wp-admin/user-edit.php	(working copy)
@@ -308,6 +308,9 @@
 			 */
 			do_action( 'admin_color_scheme_picker', $user_id );
 			?>
+			<br />
+			<button type="button" class="button button-primary">Enabled</button>
+			<button type="button" class="button button-primary" disabled>Disabled</button>
 		</td>
 	</tr>
 			<?php