withWhite method
⬜ With White
Color.withWhite(int add)
// Brightens Color's RGB values by `add` (result <= 255)
Implementation
Color withWhite(int add) => Color.fromARGB(
this.alpha,
(this.red + add).clamp(0, 255),
(this.green + add).clamp(0, 255),
(this.blue + add).clamp(0, 255),
);