diff --git a/src/wp-admin/css/colors-fresh.css b/src/wp-admin/css/colors-fresh.css
index 6fa5945eed..638a6fcb11 100644
--- a/src/wp-admin/css/colors-fresh.css
+++ b/src/wp-admin/css/colors-fresh.css
@@ -37,6 +37,13 @@ input[type=radio] {
 	box-shadow: inset 0px 1px 2px rgba(0,0,0,0.1);
 }
 
+input[type=checkbox]:disabled,
+input[type=radio]:disabled,
+input[type=checkbox]:disabled:checked:before,
+input[type=radio]:disabled:checked:before {
+	opacity: 0.5;
+}
+
 input[type=checkbox]:checked:before {
 	color: #1e8cbe;
 }