How to generate theme from colorseed properly?

[karnadii]

hello, I have this problem where I use color seed to generate theme, but the AppBar and BottomNavigationBar color is off. I can use theme data but I want some features of flex color scheme like true dark, true white and blend level

  ThemeData getThemeFromColor(int color, Brightness brightness) {
    final colorScheme = ColorScheme.fromSeed(
      seedColor: Color(color),
      brightness: brightness,
    );

    return ThemeData(
      colorScheme: colorScheme,
      brightness: brightness,
      useMaterial3: true,
    );
  }

this is using theme data

  ThemeData getThemeFromColor(int color, Brightness brightness) {
    final colorScheme = ColorScheme.fromSeed(
      seedColor: Color(color),
      brightness: brightness,
    );

    return switch (brightness) {
      Brightness.dark => FlexColorScheme.dark(
        scheme: FlexScheme.custom,
        colorScheme: colorScheme,
        //colors: FlexSchemeColor.from(primary: Color(color)),
        useMaterial3: true,
      ).toTheme,
      Brightness.light => FlexColorScheme.light(
        scheme: FlexScheme.custom,
        colorScheme: colorScheme,
        //colors: FlexSchemeColor.from(primary: Color(color)),
        useMaterial3: true,
      ).toTheme,
    };
  }

this is using flex color scheme