Definition
CSS Typed OM Level 1 defines CSSColor
[Exposed=(Window, Worker, PaintWorklet, LayoutWorklet)]
interface CSSColor : CSSColorValue {
constructor(CSSKeywordish colorSpace, sequence<CSSColorPercent> channels, optional CSSNumberish alpha = 1);
attribute CSSKeywordish colorSpace;
attribute ObservableArray<CSSColorPercent> channels;
attribute CSSNumberish alpha;
};