export declare class ColorUtils {
    static COLOR_SPACES: {
        HSV: string;
        K: string;
        RGB: string;
    };
    static RGBtoHEX: (r: number, g: number, b: number) => string;
    static HEXtoRGB: (hex: string) => {
        r: number;
        g: number;
        b: number;
    } | null;
    static HSVtoRGB: (h: number, s: number, v: number) => {
        r: number;
        g: number;
        b: number;
    };
    static RGBtoHSV: (r: number, g: number, b: number) => {
        h: number;
        s: number;
        v: number;
    };
    static xyYtoxyZ: (x: number, y1: number, y2: number) => {
        x: number;
        y: number;
        z: number;
    };
    static xyZtoRGB: (x: number, y: number, z: number) => {
        r: number;
        g: number;
        b: number;
    };
    static RGBtoxyZ: (r: number, g: number, b: number) => {
        x: number;
        y: number;
        z: number;
    };
    static xyYtoRGB: (x: number, y1: number, y2: number) => {
        r: number;
        g: number;
        b: number;
    };
    static RGBtoxyY: (r: number, g: number, b: number) => {
        x: number;
        y1: number;
        y2: number;
    };
    static KtoColor: (k: number) => "warm white" | "soft white" | "white" | "daylight white" | "cool white" | "none";
    static KtoRGB: (k: number) => {
        r: number;
        g: number;
        b: number;
    };
    static RGBtoK: (r: number, g: number, b: number) => number;
    static RGBtoColorName: (rgb: any) => any;
    static HEXtoColorName: (color: string) => any;
    static closestColor: (arr: string[], str: string) => string | undefined;
}