interface UseLabelBackgroundResult<T extends HTMLElement> {
    ref: React.RefObject<T | null>;
}
export declare const getActualBackgroundColor: (element: HTMLElement) => string;
export declare const rgbHueAlterate: (rgb: string, variation: number, opacity?: number) => string;
export declare function useLabelBackground<T extends HTMLElement = HTMLElement>(): UseLabelBackgroundResult<T>;
export {};