diff --git a/public/less/admin/appearance/customise.less b/public/less/admin/appearance/customise.less
index 753d14e688..d27da680da 100644
--- a/public/less/admin/appearance/customise.less
+++ b/public/less/admin/appearance/customise.less
@@ -2,4 +2,8 @@
 	width: 100%;
 	height: 450px;
 	display: block;
-}
\ No newline at end of file
+}
+// ACP text colour when searching through custom CSS or JS.
+.ace_search_field {
+ color: #000 !important;
+}