export declare const colorNameToRGBA: (colorName: string) => [number, number, number, number];
export declare const hexToRGBAString: (hex: string, alpha?: number | undefined) => string;
export declare const hexToRGBA: (hex: string) => [number, number, number, number];
export declare const RGBAArrayToCssString: ([r, g, b, a]: [number, number, number, number], alpha?: number | undefined) => string;
export declare const blend: (...args: [number, number, number, number][]) => [number, number, number, number];