import type { BrandScale, ColorScale } from "../types";
/** Rotates a scale's hue while restoring each rung's luminance, so contrast is untouched. */
export declare const rotateScaleHue: (scale: ColorScale, degrees?: number) => ColorScale;
export type BrandInkRamps = {
    secondary: BrandScale;
    tertiary: BrandScale;
    text: ColorScale;
    header: ColorScale;
    placeholder: ColorScale;
    disabled: ColorScale;
};
/** Brand-hued ink ramps at lavender's verified luminances, so contrast carries over. */
export declare function buildBrandInk(primary500: string): BrandInkRamps;