code: function fromLab(l, a, b) {
      var color = create();
      setLab(color, l, a, b);
      return color;
  }
docs: Creates new color from l,a,b component values
  @param  {Number} l - l component (0..100)
  @param  {Number} a - a component (-128..127)
  @param  {Number} b - b component (-128..127)
  @return {Array} - RGBA color array [r,g,b,a] (0..1)