import type { ColorOp } from "../api.js";
/**
 * Converts linear RGB to Lab (via XYZ) using {@link D50} white point.
 *
 * @remarks
 * Important: We're using a normalized Lab space w/ all three coordinates
 * divided by 100 (normalized to 100% luminance).
 *
 * @param out -
 * @param src -
 */
export declare const rgbLab: ColorOp;
/**
 * Same as {@link rgbLab}, but using {@link D65} white point.
 *
 * @param out -
 * @param src -
 */
export declare const rgbLabD65: ColorOp;
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