import { Color } from '@galacean/effects-math/es/core/color';
export interface ColorStop {
    time: number;
    color: Color;
}
export declare function colorToArr(hex: string | number[], normalized?: boolean): number[];
export declare function getColorFromGradientStops(stops: ColorStop[], key: number, normalize?: boolean): number[];
export declare function colorStopsFromGradient(gradient: number[][] | Record<string, string | number[]>): ColorStop[];
export declare function interpolateColor(a: number[], b: number[], s: number, origin?: boolean): number[];
export declare function parsePercent(c: string): number;