diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/common/colorPicker.js b/packages/node_modules/@node-red/editor-client/src/js/ui/common/colorPicker.js
index 47f4cfed2..0c7944c84 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/common/colorPicker.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/common/colorPicker.js
@@ -17,7 +17,8 @@ RED.colorPicker = (function() {
         r = Math.max(0,r-50);
         g = Math.max(0,g-50);
         b = Math.max(0,b-50);
-        return '#'+((r<<16) + (g<<8) + b).toString(16).padStart(6,'0')
+        var s = ((r<<16) + (g<<8) + b).toString(16);
+        return '#'+'000000'.slice(0, 6-s.length)+s;
     }
 
     function create(options) {
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/group.js b/packages/node_modules/@node-red/editor-client/src/js/ui/group.js
index 2eb13453b..22c168e22 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/group.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/group.js
@@ -78,7 +78,8 @@ RED.group = (function() {
         r = Math.min(255,Math.floor(r+j*dr));
         g = Math.min(255,Math.floor(g+j*dg));
         b = Math.min(255,Math.floor(b+j*db));
-        colorPalette.push('#'+((r<<16) + (g<<8) + b).toString(16).padStart(6,'0'));
+        var s = ((r<<16) + (g<<8) + b).toString(16);
+        colorPalette.push('#'+'000000'.slice(0, 6-s.length)+s);
     }
 
     var defaultGroupStyle = {};
@@ -207,7 +208,8 @@ RED.group = (function() {
     function convertColorToHex(c) {
         var m = /^rgb\((\d+), (\d+), (\d+)\)$/.exec(c);
         if (m) {
-            return "#"+(((parseInt(m[1])<<16) + (parseInt(m[2])<<8) + parseInt(m[3])).toString(16).padStart(6,'0'))
+            var s = ((parseInt(m[1])<<16) + (parseInt(m[2])<<8) + parseInt(m[3])).toString(16)
+            return '#'+'000000'.slice(0, 6-s.length)+s;
         }
         return c;
     }