import { ColorFormat } from './colorConversion';
/**
 * Calculates the contrast against black or white
 * @param color a color string of one of the supported formats(hex, rgb and hsl)
 * @param colorFormat the format in which the color is provided(hex, rgb or hsl)
 * @returns either 'black' or 'white' after calculating the contrast
 */
export declare function getContrast(color: string, colorFormat?: ColorFormat): "black" | "white";