import { CSSProperties } from "react";
declare const hexToRGB: (hex: string, opacity: number) => string;
export type HexColor = `#${string}`;
declare function isHexColor(color: string): color is HexColor;
declare function colorNameToHex(colorName: string): string | null;
declare function getLuminance(hex: string): number;
declare const getButtonColors: (hex: string) => Pick<CSSProperties, "color" | "backgroundColor">;
export { hexToRGB, colorNameToHex, isHexColor, getLuminance, getButtonColors };