Index: src/wp-admin/css/common.css
===================================================================
--- src/wp-admin/css/common.css	(revision 41708)
+++ src/wp-admin/css/common.css	(working copy)
@@ -2259,7 +2259,7 @@
 
 .attention,
 .error-message {
-	color: red;
+	color: #dc3232;
 	font-weight: 600;
 }
 
Index: src/wp-admin/css/customize-nav-menus.css
===================================================================
--- src/wp-admin/css/customize-nav-menus.css	(revision 41708)
+++ src/wp-admin/css/customize-nav-menus.css	(working copy)
@@ -439,7 +439,7 @@
 .menu-item-bar .item-delete:focus {
 	box-shadow: none;
 	outline: none;
-	color: #f00;
+	color: #dc3232;
 }
 
 .adding-menu-items .menu-item-bar .item-edit {
@@ -564,7 +564,7 @@
 .menu-name-field.invalid:focus,
 #available-menu-items .new-content-item .create-item-input.invalid,
 #available-menu-items .new-content-item .create-item-input.invalid:focus {
-	border: 1px solid #f00;
+	border: 1px solid #dc3232;
 }
 
 #available-menu-items .menu-item-handle .item-type {
Index: src/wp-admin/css/media.css
===================================================================
--- src/wp-admin/css/media.css	(revision 41708)
+++ src/wp-admin/css/media.css	(working copy)
@@ -1094,7 +1094,7 @@
 }
 
 span.imgedit-scale-warn {
-	color: red;
+	color: #dc3232;
 	font-size: 20px;
 	font-style: normal;
 	visibility: hidden;
Index: src/wp-admin/css/widgets.css
===================================================================
--- src/wp-admin/css/widgets.css	(revision 41708)
+++ src/wp-admin/css/widgets.css	(working copy)
@@ -155,7 +155,7 @@
 }
 
 .media-frame #embed-url-field.invalid {
-	border: 1px solid #f00;
+	border: 1px solid #dc3232;
 }
 
 .media-widget-image-link {
Index: src/wp-includes/css/media-views.css
===================================================================
--- src/wp-includes/css/media-views.css	(revision 41708)
+++ src/wp-includes/css/media-views.css	(working copy)
@@ -1444,7 +1444,7 @@
 
 .selection-info .clear-selection:hover,
 .selection-info .clear-selection:focus {
-	color: red;
+	color: #dc3232;
 }
 
 .media-selection .selection-view {
@@ -1664,7 +1664,7 @@
 .media-modal .trash-attachment:focus,
 .media-modal .untrash-attachment:hover,
 .media-modal .untrash-attachment:focus {
-	color: red;
+	color: #dc3232;
 }
 
 /**
Index: src/wp-includes/js/mediaelement/wp-mediaelement.css
===================================================================
--- src/wp-includes/js/mediaelement/wp-mediaelement.css	(revision 41708)
+++ src/wp-includes/js/mediaelement/wp-mediaelement.css	(working copy)
@@ -92,7 +92,7 @@
 }
 
 .media-embed-details .setting a:hover {
-	color: #f00;
+	color: #dc3232;
 }
 
 .media-embed-details .embed-media-settings .checkbox-setting {