toFactoredListWithAlpha method
Returns a fixed-length list containing the hue, saturation, perceivedBrightness, and alpha values factored to be on 0 to 1 scale.
Implementation
List<double> toFactoredListWithAlpha() => List<double>.from(<double>[
hue / 360,
saturation / 100,
perceivedBrightness / 100,
alpha / 255,
], growable: false);