darken method

Color darken([
  1. double amount = .2
])

Returns a darken variant of this color.

Implementation

Color darken([double amount = .2]) {
  assert(amount >= 0 && amount <= 1);

  if (amount == 0) {
    return this;
  }

  final hsl = HSLColor.fromColor(this);
  final hslLight = hsl.withLightness(
    (hsl.lightness - amount).clamp(0.0, 1.0),
  );

  return hslLight.toColor();
}