export declare class ColorUtils {
    /**
     * Interpolate between two colors
     */
    static interpolate(color1: string, color2: string, ratio: number): string;
    /**
     * Adjust color brightness
     */
    static adjustBrightness(hex: string, percent: number): string;
    /**
     * Generate color palette
     */
    static generatePalette(baseColor: string, steps: number): string[];
    /**
     * Convert RGB to HEX
     */
    static rgbToHex(r: number, g: number, b: number): string;
    /**
     * Convert HEX to RGB
     */
    static hexToRgb(hex: string): {
        r: number;
        g: number;
        b: number;
    };
    /**
     * Get contrast color (black or white) for background
     */
    static getContrastColor(hexcolor: string): string;
    /**
     * Generate a random color
     */
    static randomColor(): string;
    /**
     * Check if a string is a valid hex color
     */
    static isValidHex(color: string): boolean;
}