grey constant Null safety

MaterialColor const grey

Implementation

static const MaterialColor grey = MaterialColor(
  _greyPrimaryValue,
  <int, Color>{
    50: Color(0xFFFAFAFA),
    100: Color(0xFFF5F5F5),
    200: Color(0xFFEEEEEE),
    300: Color(0xFFE0E0E0),
    350: Color(0xFFD6D6D6),
    400: Color(0xFFBDBDBD),
    500: Color(_greyPrimaryValue),
    600: Color(0xFF757575),
    700: Color(0xFF616161),
    800: Color(0xFF424242),
    850: Color(0xFF303030),
    900: Color(0xFF212121),
  },
);