Function Ff

resources/vega.min.js:9354–9356

(t, e, n, r)

    );
  }
  function Ff(t, e, n, r) {
    return 1 === arguments.length ? Cf(t) : new Sf(t, e, n, null == r ? 1 : r);
  }
  function Sf(t, e, n, r) {
    ((this.l = +t), (this.a = +e), (this.b = +n), (this.opacity = +r));
  }