import { Color } from '../Color';
/**
 * Calculates distance between two colors
 *
 * @param color1 first color
 * @param color2 second color
 *
 * Note: This function is inefficient. Use colorDistanceSquared instead if possible.
 *
 * @public exported from `@promptbook/color`
 */
export declare function colorDistance(color1: Color, color2: Color): number;
/**
 * Calculates distance between two colors without square root
 *
 * @param color1 first color
 * @param color2 second color
 *
 * @public exported from `@promptbook/color`
 */
export declare function colorDistanceSquared(color1: Color, color2: Color): number;
