@thi.ng/color/luminance-rgb.d.ts

Array-based color types, CSS parsing, conversions, transformations, declarative theme generation, gradients, presets

import type { ReadonlyColor } from "./api.js";
/**
 * Computes RGB luminance, optionally using provided weights (by default:
 * {@link RGB_LUMINANCE_REC709}).
 *
 * @param rgb -
 * @param weights -
 */
export declare const luminanceRgb: (rgb: ReadonlyColor, weights?: number[]) => number;
/**
 * Similar to {@link luminanceRgb}, but uses {@link RGB_LUMINANCE_REC601} coeffs
 */
export declare const luminanceSrgb: (rgb: ReadonlyColor) => number;
export declare const luminanceIntArgb32: (rgb: number) => number;
export declare const luminanceIntAbgr32: (rgb: number) => number;
export declare const luminanceArgb32: (argb: ReadonlyColor) => number;
export declare const luminanceAbgr32: (argb: ReadonlyColor) => number;
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