diff --git a/pkgs/samples/lib/google_ai.dart b/pkgs/samples/lib/google_ai.dart
index ff783d240..97b306f93 100644
--- a/pkgs/samples/lib/google_ai.dart
+++ b/pkgs/samples/lib/google_ai.dart
@@ -300,7 +300,7 @@ class MessageWidget extends StatelessWidget {
             decoration: BoxDecoration(
               color: isFromUser
                   ? Theme.of(context).colorScheme.primaryContainer
-                  : Theme.of(context).colorScheme.surfaceVariant,
+                  : Theme.of(context).colorScheme.surfaceContainerHighest,
               borderRadius: BorderRadius.circular(18),
             ),
             padding: const EdgeInsets.symmetric(