/**
 * The tunables, one table (judged against the `df-avatar` reference card in
 * tools/native/liquid-motion.md). Dark Factory's own values: a 135 degree blend from
 * oklch(0.8 0.1 h) to oklch(0.6 0.17 h+35), over its ten stage hues.
 */
export declare const IDENTITY_GRADIENT: {
    /** The blend's direction in CSS degrees (135: top-left to bottom-right). */
    readonly angle: 135;
    /** The pale stop at the top-left: OKLCH lightness and chroma, at the identity's hue. */
    readonly light: {
        readonly l: 0.8;
        readonly c: 0.1;
    };
    /** The deep stop at the bottom-right: lightness, chroma, and its hue shift. */
    readonly deep: {
        readonly l: 0.6;
        readonly c: 0.17;
        readonly hueShift: 35;
    };
};
/** Dark Factory's stage hues, the set an identity resolves into. */
export declare const IDENTITY_HUES: readonly [20, 45, 335, 285, 255, 225, 195, 155, 115, 70];
/**
 * The hue an identity string (a name, else the initials) resolves to: a stable,
 * deterministic hash (no RNG), so one person has the same color across sessions,
 * platforms and re-renders.
 */
export declare function identityHue(identity: string): number;
/**
 * The v4 hand-off's identity hues (cv-kit-code.js `K.hueOf`): the hues a stock initials
 * disc's flat wash resolves into. Argus's reference discs keep the stage hues above.
 */
export declare const WASH_HUES: readonly [285, 205, 165, 20, 75, 250, 330, 125];
/**
 * The hue a stock initials disc takes for an identity string: the hand-off's own hash (an
 * unsigned 32-bit `h * 31 + code`, over each code point) into its eight hues, so a name
 * gets the disc colour the hand-off draws for it.
 */
export declare function washHue(identity: string): number;
/** An identity disc: its two gradient stops, a solid stand-in, and the initials' ink. */
export interface IdentityDisc {
    /** The pale top-left stop. */
    from: string;
    /** The deep bottom-right stop. */
    to: string;
    /** The blend's midpoint, the one color that stands for the disc where a gradient cannot draw. */
    mid: string;
    /**
     * The initials' ink: white or near-black, whichever holds the better contrast against
     * BOTH stops (the kit's 4.5:1 text floor). On Dark Factory's ramp that is near-black
     * everywhere (4.59:1 at worst); its white initials measure 1.79 to 1.96:1.
     */
    ink: string;
}
/** The disc for a hue. */
export declare function identityDisc(hue: number): IdentityDisc;
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