import { ColorValueMap, StopItem } from './interface';
export declare function toHex(x: number | string): string;
export declare function resolveColor(colorParam: string): {
    r: number;
    g: number;
    b: number;
    a: number;
    hex: string;
};
export declare function transformColor(color: string, a: number): string;
export declare function getBackgroundAccordingColor(color: any, fixedAngle?: number): {
    backgroundImage: string;
    background?: undefined;
} | {
    background: any;
    backgroundImage?: undefined;
} | undefined;
export declare function getMiddleColor(colors: StopItem[], offset: number): any;
export declare function getHexValue(hex: string): string;
export declare function getLinearGradientStyle(color: ColorValueMap['linear']): {
    backgroundImage: string;
    opacity: number;
};