diff --git a/examples/flutter_gallery/lib/gallery/themes.dart b/examples/flutter_gallery/lib/gallery/themes.dart
index 18d545c4ed0..d23c5412145 100644
--- a/examples/flutter_gallery/lib/gallery/themes.dart
+++ b/examples/flutter_gallery/lib/gallery/themes.dart
@@ -33,6 +33,7 @@ ThemeData _buildDarkTheme() {
     canvasColor: const Color(0xFF202124),
     scaffoldBackgroundColor: const Color(0xFF202124),
     backgroundColor: const Color(0xFF202124),
+    errorColor: const Color(0xFFB00020),
     buttonTheme: const ButtonThemeData(
       textTheme: ButtonTextTheme.primary,
     ),
@@ -55,6 +56,7 @@ ThemeData _buildLightTheme() {
     canvasColor: Colors.white,
     scaffoldBackgroundColor: Colors.white,
     backgroundColor: Colors.white,
+    errorColor: const Color(0xFFB00020),
     buttonTheme: const ButtonThemeData(
       textTheme: ButtonTextTheme.primary,
     ),