import { Color } from '../Color';
/**
 * Calculates hue distance of two colors
 *
 * @returns hue distance in degrees <0-180)
 *
 * @see https://en.wikipedia.org/wiki/HSL_and_HSV#Hue_and_chroma
 *
 * @public exported from `@promptbook/color`
 */
export declare function colorHueDistance(color1: Color, color2: Color): number;
