Map<int, Color> yellowAccent = const {100 : const Color(0xFFFFFF8D), 200 : const Color(0xFFFFFF00), 400 : const Color(0xFFFFEA00), 700 : const Color(0xFFFFD600)}

The yellow accent swatch.

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

See also:

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