import { OutputType, RGBA } from '../types'; export declare const number2hex: (num: number) => string; export declare const hex2number: (hex: string) => number; export declare const toAlpha: (val: number) => number; export declare const getColorString: (rgba: RGBA, type?: OutputType) => string; export declare const getCheckedColor: ([R, G, B]: RGBA) => string; export declare const hex2rgba: (hex: string) => RGBA;