brighten method

Color brighten([ int amount = 10 ])

Brighten the color a given amount, from 0 to 100.

Implementation

Color brighten([int amount = 10]) {
  return Color.fromARGB(
    alpha,
    math.max(0, math.min(255, red - (255 * -(amount / 100)).round())),
    math.max(0, math.min(255, green - (255 * -(amount / 100)).round())),
    math.max(0, math.min(255, blue - (255 * -(amount / 100)).round())),
  );
}