import type { NamedCSSColour } from "./types";
/**
 * Converts a hexadecimal colour value to a named CSS colour.
 *
 * @param {string} colour - The hexadecimal colour value to convert.
 * @returns {NamedCSSColour | undefined} The named CSS colour that corresponds to the given hexadecimal colour value, or undefined if no named CSS colour matches the given value.
 */
export declare function convertHextoNamedCSSColour(colour: string): NamedCSSColour | undefined;