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navbuddy

0.4.0
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Advanced configurable navigation component for Phoenix LiveView with native DaisyUI integration, Tailwind CSS support, permissions filtering, dropdowns, mega menus, and modern responsive design. Optimized for Phoenix 1.8+ and LiveView 1.1+.

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navbuddy assets node_modules culori src xyb convertRgbToXyb.js
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assets/node_modules/culori/src/xyb/convertRgbToXyb.js 

import convertRgbToLrgb from '../lrgb/convertRgbToLrgb.js';

import { bias, bias_cbrt } from './constants.js';



const transfer = v => Math.cbrt(v) - bias_cbrt;



const convertRgbToXyb = color => {

	const { r, g, b, alpha } = convertRgbToLrgb(color);

	const l = transfer(0.3 * r + 0.622 * g + 0.078 * b + bias);

	const m = transfer(0.23 * r + 0.692 * g + 0.078 * b + bias);

	const s = transfer(

		0.24342268924547819 * r +

			0.20476744424496821 * g +

			0.5518098665095536 * b +

			bias

	);

	const res = {

		mode: 'xyb',

		x: (l - m) / 2,

		y: (l + m) / 2,

		/* Apply default chroma from luma (subtract Y from B) */

		b: s - (l + m) / 2

	};

	if (alpha !== undefined) res.alpha = alpha;

	return res;

};



export default convertRgbToXyb;