export declare function shade(color?: string, percent?: number): string | undefined;
export declare function blend(colorOne?: string, colorTwo?: string, percent?: number): string | undefined;
export declare function opacity(color?: string, percent?: number): string | undefined;
export declare function brightness(color: any): number | undefined;
export default function resolveColor<T extends string | undefined>(color?: T): T extends string ? string : undefined;
export declare const light: (color?: string, factor?: number) => string | boolean | undefined;