Definition
CSS Typed OM Level 1 defines CSSHWB
[Exposed=(Window, Worker, PaintWorklet, LayoutWorklet)]
interface CSSHWB : CSSColorValue {
constructor(CSSNumericValue h, CSSNumberish w, CSSNumberish b, optional CSSNumberish alpha = 1);
attribute CSSNumericValue h;
attribute CSSNumberish w;
attribute CSSNumberish b;
attribute CSSNumberish alpha;
};