export declare const hexToHSL: (hex: string) => {
    h: number;
    s: number;
    l: number;
};
export declare const hslToHex: (h: number, s: number, l: number) => string;
export declare const lightenHex: (hex: string, percent: number) => string;
export declare const darkenHex: (hex: string, percent: number) => string;
