export declare function normalizeHex(hex: string): string;
export declare function buildPrimaryOpacity(primary500: string): {
    4: string;
    8: string;
    16: string;
    24: string;
    32: string;
    40: string;
    48: string;
};
/** Tint used for focus rings / primary-tinted shadows (matches ~28% alpha pattern). */
export declare function buildPrimaryShadowTint(primary500: string): string;