diff --git a/examples/api/lib/cupertino/nav_bar/cupertino_navigation_bar.0.dart b/examples/api/lib/cupertino/nav_bar/cupertino_navigation_bar.0.dart
index f879cede9e0..09ef4d144f2 100644
--- a/examples/api/lib/cupertino/nav_bar/cupertino_navigation_bar.0.dart
+++ b/examples/api/lib/cupertino/nav_bar/cupertino_navigation_bar.0.dart
@@ -33,7 +33,7 @@ class _NavBarExampleState extends State<NavBarExample> {
     return CupertinoPageScaffold(
       navigationBar: CupertinoNavigationBar(
         // Try removing opacity to observe the lack of a blur effect and of sliding content.
-        backgroundColor: CupertinoColors.systemGrey.withOpacity(0.5),
+        backgroundColor: CupertinoColors.systemGrey.withValues(alpha: 0.5),
         middle: const Text('CupertinoNavigationBar Sample'),
         automaticBackgroundVisibility: false,
       ),
diff --git a/examples/api/test/cupertino/nav_bar/cupertino_navigation_bar.0_test.dart b/examples/api/test/cupertino/nav_bar/cupertino_navigation_bar.0_test.dart
index 7ea1d049250..03f45250eaa 100644
--- a/examples/api/test/cupertino/nav_bar/cupertino_navigation_bar.0_test.dart
+++ b/examples/api/test/cupertino/nav_bar/cupertino_navigation_bar.0_test.dart
@@ -15,6 +15,9 @@ void main() {
     final CupertinoNavigationBar cupertinoNavigationBar = tester.widget<CupertinoNavigationBar>(
       navBarFinder,
     );
-    expect(cupertinoNavigationBar.backgroundColor, CupertinoColors.systemGrey.withOpacity(0.5));
+    expect(
+      cupertinoNavigationBar.backgroundColor,
+      CupertinoColors.systemGrey.withValues(alpha: 0.5),
+    );
   });
 }