protanopia function
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());
}