diff --git a/common/changes/office-ui-fabric-react/phkuo-fixErrorColors_2018-05-24-22-16.json b/common/changes/office-ui-fabric-react/phkuo-fixErrorColors_2018-05-24-22-16.json
new file mode 100644
index 00000000000000..caedaa348968d7
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/phkuo-fixErrorColors_2018-05-24-22-16.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "fix old error color SASS variables so they work when themed",
+      "type": "patch"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "phkuo@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/common/_themeOverrides.scss b/packages/office-ui-fabric-react/src/common/_themeOverrides.scss
index b2751d5578eebe..de5228436a57bc 100644
--- a/packages/office-ui-fabric-react/src/common/_themeOverrides.scss
+++ b/packages/office-ui-fabric-react/src/common/_themeOverrides.scss
@@ -49,8 +49,8 @@ $ms-color-greenDark: "[theme:greenDark, default: #004b1c]";
 $ms-color-green: "[theme:green, default: #107c10]";
 $ms-color-greenLight: "[theme:greenLight, default: #bad80a]";
 $ms-color-error: "[theme:error, default: #a80000]";
-$ms-color-errorText: "[theme:errorText, default: #333333]";
-$ms-color-errorBackground: "[theme:errorBackground, default: #fde7e9]";
+$ms-color-errorText: "[theme:warningText, default: #333333]";
+$ms-color-errorBackground: "[theme:errorBackground, default: rgba(232,17,35,.2)]";
 $ms-color-success: "[theme:success, default: #107c10]";
 $ms-color-successText: "[theme:successText, default: #333333]";
 $ms-color-successBackground: "[theme:successBackground, default: #dff6dd]";