Map<int, Color> lightBlue = const {50 : const Color(0xFFE1F5FE), 100 : const Color(0xFFB3E5FC), 200 : const Color(0xFF81D4FA), 300 : const Color(0xFF4FC3F7), 400 : const Color(0xFF29B6F6), 500 : const Color(0xFF03A9F4), 600 : const Color(0xFF039BE5), 700 : const Color(0xFF0288D1), 800 : const Color(0xFF0277BD), 900 : const Color(0xFF01579B)}

The light blue primary swatch.

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

See also:

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