export declare function rgbFromHex(color: string): {
    r: number;
    g: number;
    b: number;
};
export declare function rgbToHex(r: number, g: number, b: number): string;
export declare function colorContrast(color: string): "black" | "white";
export declare function colorTint(color: string, factor?: number): string;
export declare function colorShade(color: string, factor?: number): string;