Function create

Create a new okLabTuple from components.

create(L?, a?, b?, alpha?): okLabTuple
Parameters
- L: number = 0
  Luminance component. Range [0.0–1.0].
- a: number = 0
  Green–red component. Range [˗0.5–0.5].
- b: number = 0
  Blue-yellow component. Range [˗0.5–0.5].
- Optionalalpha: number
  Alpha component. Range [0.0&ndash1.0].
Returns okLabTuple