import { Irgba, Iryba } from "../types";
/**
 * @see http://nishitalab.org/user/UEI/publication/Sugita_IWAIT2015.pdf
 * @see https://web.archive.org/web/20130525061042/www.insanit.net/tag/rgb-to-ryb/
 */
export declare function RYBtoRGB(obj: Iryba): Irgba;