Align parent not current indicator color with the GWT UI

Change-Id: I01e3ad0ffc3158f18ad8eac4100b3a52c319275b
diff --git a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.html b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.html
index 514f3a9..66ab290 100644
--- a/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.html
+++ b/polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.html
@@ -140,7 +140,7 @@
         display: none;
       }
       .parentList.notCurrent.nonMerge #parentNotCurrentMessage {
-        --arrow-color: red;
+        --arrow-color: #ffa62f;
         display: inline-block;
       }
       @media screen and (max-width: 50em), screen and (min-width: 75em) {