import { LottieColor } from './types';
/**
 * Utility functions for working with colors in Lottie animations
 */
export declare class ColorUtils {
    /**
     * Converts a HEX color string to Lottie color format [r, g, b, a]
     */
    static hexToLottieColor(hex: string, alpha?: number): LottieColor;
    /**
     * Converts a Lottie color to HEX format
     */
    static lottieColorToHex(color: LottieColor): string;
    /**
     * Calculates the distance between two colors
     */
    static calculateColorDistance(color1: LottieColor, color2: LottieColor): number;
    /**
     * Checks if two colors are similar within a given tolerance
     */
    static isColorSimilar(color1: LottieColor, color2: LottieColor, tolerance?: number): boolean;
    /**
     * Calculates the brightness of a color (0-1)
     */
    static calculateBrightness(color: LottieColor): number;
    /**
     * Check if two HEX colors are similar based on tolerance
     */
    static isHexColorSimilar(color1: string, color2: string, tolerance: number): boolean;
}