Function fromHsl

Returns a Colorjs 'Color' object based on relative hue, saturation, lightness and opacity.

fromHsl(h, s?, l?, opacity?): Color
Parameters
- h: number
  Hue (0..1)
- s: number = 1
  Saturation (0..1) Default: 1
- l: number = 0.5
  Lightness (0..1) Default: 0.5
- opacity: number = 1
  Opacity (0..1) Default: 1
Returns Color