anchor.diff:      // Same values for both light and dark themes.
       primaryColorDark: devtoolsBlue[700],
       primaryColorLight: devtoolsBlue[400],
  +    // ignore: deprecated_member_use
       accentColor: devtoolsBlue[400],
       backgroundColor: devtoolsGrey[600],
       toggleableActiveColor: devtoolsBlue[400],
  
positive.code: 
    Color get devtoolsLink =>
        isLight ? const Color(0xFF1976D2) : Colors.lightBlueAccent;
    // TODO(jacobr): replace this with Theme.of(context).scaffoldBackgroundColor, but we use
    // this in places where we do not have access to the context.
    Color get defaultBackgroundColor =>
        isLight ? Colors.grey[50] : Colors.grey[850];
    Color get alternatingBackgroundColor => isLight
        ? defaultBackgroundColor.darken()
        : defaultBackgroundColor.brighten();
  
    Color get chartAccentColor =>
        isLight ? const Color(0xFFCCCCCC) : const Color(0xFF585858);
    Color get chartTextColor => isLight ? Colors.black : Colors.white;
    Color get chartSubtleColor =>
        isLight ? const Color(0xFF999999) : const Color(0xFF8A8A8A);
    Color get toggleButtonBackgroundColor =>
        isLight ? const Color(0xFFE0EEFA) : const Color(0xFF2E3C48);
    // [toggleButtonForegroundColor] is the same for light and dark theme.
    Color get toggleButtonForegroundColor => const Color(0xFF2196F3);
  
    Color get functionSyntaxColor =>
        isLight ? const Color(0xFF795E26) : const Color(0xFFDCDCAA);
    Color get declarationsSyntaxColor =>
        isLight ? const Color(0xFF267f99) : const Color(0xFF4EC9B0);
    Color get modifierSyntaxColor =>
        isLight ? const Color(0xFF0000FF) : const Color(0xFF569CD6);
    Color get controlFlowSyntaxColor =>
        isLight ? const Color(0xFFAF00DB) : const Color(0xFFC586C0);
    Color get variableSyntaxColor =>
        isLight ? const Color(0xFF001080) : const Color(0xFF9CDCFE);
    Color get commentSyntaxColor =>
        isLight ? const Color(0xFF008000) : const Color(0xFF6A9955);
    Color get stringSyntaxColor =>
        isLight ? const Color(0xFFB20001) : const Color(0xFFD88E73);
    Color get numericConstantSyntaxColor =>
        isLight ? const Color(0xFF098658) : const Color(0xFFB5CEA8);
  
  
negative.code: 
  extension DevToolsColorScheme on ColorScheme {
    bool get isLight => brightness == Brightness.light;
  
    bool get isDark => brightness == Brightness.dark;
  
    // Commonly used themed colors.
  