export declare function hexToRgb(hex: string): {
    r: number;
    g: number;
    b: number;
} | null;
export declare const getOpaqueHexColor: (hex: string, opacity: number) => string;
export declare function luminance(r: number, g: number, b: number): number;
export declare function contrast(luminance1: number, luminance2: number): number;
//# sourceMappingURL=color.d.ts.map