/**
 * Generate a Tailwind-like 11-shade palette (50, 100, 200, ..., 950) from a base hex color.
 * Uses HSL lightness variation around the base color (assumed to correspond to shade 500).
 */
export interface ColorShades {
    50: string;
    100: string;
    200: string;
    300: string;
    400: string;
    500: string;
    600: string;
    700: string;
    800: string;
    900: string;
    950: string;
}
export declare function generateShades(baseHex: string): ColorShades;
export declare function isValidHex(value: string): boolean;
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