brighten function

Color brighten(
  1. Color color,
  2. double percent
)

Brighten a color by percent

Implementation

Color brighten(Color color, double percent) {
  assert(percent <= 100, 'Brighten percent should not be greater than 100');
  final strength = percent / 100;
  return Color.fromARGB(
    color.alpha,
    color.red + ((255 - color.red) * strength).round(),
    color.green + ((255 - color.green) * strength).round(),
    color.blue + ((255 - color.blue) * strength).round(),
  );
}