hex static method
Mixins.hex('fff'); // white
Implementation
static Color hex(String code) {
String cc = code.replaceAll('#', '');
// if color code length is 3, make complete color code
if (cc.length == 3) {
cc = '${cc[0]}${cc[0]}${cc[1]}${cc[1]}${cc[2]}${cc[2]}';
}
return Color(int.parse('0xff$cc'));
}