protanopia function

Color protanopia(
  1. Color color
)

Missing red.

Implementation

Color protanopia(Color color) {
  final double r =
      (color.red * 0.56667) + (color.green * 0.43333) + (color.blue * 0);
  final double g =
      (color.red * 0.55833) + (color.green * 0.44167) + (color.blue * 0);
  final double b =
      (color.red * 0.0) + (color.green * 0.24167) + (color.blue * 0.75833);

  return Color.fromARGB(255, r.round(), g.round(), b.round());
}