Map<int, Color> greenAccent = const {100 : const Color(0xFFB9F6CA), 200 : const Color(0xFF69F0AE), 400 : const Color(0xFF00E676), 700 : const Color(0xFF00C853)}

The green accent swatch.

 new Icon(
   icon: Icons.widgets,
   color: Colors.greenAccent[400],
 ),

See also:

  • green, the corresponding primary colors.
  • of, which allows you to select colors from the current theme rather than hard-coding colors in your build methods.