HSLColor constructor
const
HSLColor({})
Implementation
const HSLColor({
this.alpha = 1,
this.hue = 360,
this.saturation = 1,
this.lightness = 1,
}) : assert(alpha >= 0 && alpha <= 1),
assert(hue >= 0 && hue <= 360),
assert(lightness >= 0 && lightness <= 1),
assert(saturation >= 0 && saturation <= 1);