color top-level property
Implementation
Map<int, Color> color = {
50: Color.fromRGBO(0, 0, 0, .1),
100: Color.fromRGBO(0, 0, 0, .2),
200: Color.fromRGBO(0, 0, 0, .3),
300: Color.fromRGBO(0, 0, 0, .4),
400: Color.fromRGBO(0, 0, 0, .5),
500: Color.fromRGBO(0, 0, 0, .6),
600: Color.fromRGBO(0, 0, 0, .7),
700: Color.fromRGBO(0, 0, 0, .8),
800: Color.fromRGBO(0, 0, 0, .9),
900: Color.fromRGBO(0, 0, 0, 1),
};