A colour from 0 to 255 channels.
- r: red, 0 to 255.
- g: green, 0 to 255.
- b: blue, 0 to 255.
- a: alpha, 0 (clear) to 255 (opaque).
rgb :: (r: int, g: int, b: int, a: int = 255) -> ColorA colour from 0 to 255 channels.
Parameters
- r: int
- red, 0 to 255.
- g: int
- green, 0 to 255.
- b: int
- blue, 0 to 255.
- a: int
- alpha, 0 (clear) to 255 (opaque).