blueGrey constant Null safety

MaterialColor const blueGrey

Implementation

static const MaterialColor blueGrey = MaterialColor(
  _blueGreyPrimaryValue,
  <int, Color>{
    50: Color(0xFFECEFF1),
    100: Color(0xFFCFD8DC),
    200: Color(0xFFB0BEC5),
    300: Color(0xFF90A4AE),
    400: Color(0xFF78909C),
    500: Color(_blueGreyPrimaryValue),
    600: Color(0xFF546E7A),
    700: Color(0xFF455A64),
    800: Color(0xFF37474F),
    900: Color(0xFF263238),
  },
);