Function hslFromRelativeValues

hslFromRelativeValues(
    h?: number,
    s?: number,
    l?: number,
    opacity?: number,
): HslRelative
Returns a Colorjs 'Color' object based on relative hue, saturation, lightness and opacity.
Parameters
- h: number = 1
  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 HslRelative