When using a Material 3 light `fromSwatch` theme, a passive Switch with a `false` value appears completely white.  ```dart import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( theme: ThemeData( colorScheme: ColorScheme.fromSwatch(), useMaterial3: true, ), home: Scaffold( body: Center( child: MyWidget(), ), ), ); } } class MyWidget extends StatelessWidget { @override Widget build(BuildContext context) { return Switch(value: false, onChanged: (value) {}); } } ```