diff --git a/src/components/panel/_panel.scss b/src/components/panel/_panel.scss
index 7215b527e4..d0267f7fc5 100644
--- a/src/components/panel/_panel.scss
+++ b/src/components/panel/_panel.scss
@@ -23,7 +23,7 @@
 
   .govuk-panel--confirmation {
     color: govuk-colour("white");
-    background: govuk-colour("turquoise");
+    background: govuk-colour("green", $legacy: "turquoise");
   }
 
   .govuk-panel__title {