import type { LiveChartPalette, SeriesConfig, ThemeMode } from "./types";
/** Parse a CSS color string to [r, g, b]. Supports `#rgb`, `#rrggbb`, `rgb()`, and `rgba()`. */
export declare function parseColorRgb(color: string): [number, number, number];
/**
 * Parse a color into `[r, g, b, a]` — RGB channels 0–255, alpha 0–1. Extends
 * {@link parseColorRgb} with the alpha channel of an `rgba(...)` string;
 * `rgb(...)` and `#hex` (which carry no alpha) default to `a = 1`. Used to feed
 * the area-dots shader a vec4 color uniform.
 */
export declare function parseColorRgba(color: string): [number, number, number, number];
/**
 * Default left-edge fade gradient stops for `dstOut` blending: same RGB as the chart
 * background (`palette.bgRgb`), opacity 1 → 0. Matches the container `backgroundColor`.
 */
export declare function leftEdgeFadeColorsFromBgRgb(bgRgb: [number, number, number]): {
    startColor: string;
    endColor: string;
};
/**
 * Derive a full palette from a single accent color + theme mode.
 * Momentum colors are always semantic green/red regardless of accent.
 */
export declare function resolveTheme(color: string, mode: ThemeMode): LiveChartPalette;
/**
 * Merge caller palette overrides on top of a derived palette. Only the keys
 * present on `override` are replaced; everything else keeps the derived value.
 * Returns the original palette unchanged when no override is supplied.
 */
export declare function applyPaletteOverride(palette: LiveChartPalette, override: Partial<LiveChartPalette> | undefined): LiveChartPalette;
/**
 * Default multi-series line colors — Tailwind 500 scale, order: blue, red, green,
 * amber, violet, pink, cyan, orange.
 */
export declare const SERIES_COLORS: ("#22c55e" | "#ef4444" | "#3b82f6" | "#f59e0b" | "#8b5cf6" | "#ec4899" | "#06b6d4" | "#f97316")[];
/** Derive per-series palettes from series definitions. */
export declare function resolveSeriesPalettes(series: SeriesConfig[], mode: ThemeMode): Map<string, LiveChartPalette>;
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