chroma-js/src/interpolator/rgb.js

JavaScript library for color conversions

import Color from '../Color.js';
import index from './index.js';

const rgb = (col1, col2, f) => {
    const xyz0 = col1._rgb;
    const xyz1 = col2._rgb;
    return new Color(
        xyz0[0] + f * (xyz1[0] - xyz0[0]),
        xyz0[1] + f * (xyz1[1] - xyz0[1]),
        xyz0[2] + f * (xyz1[2] - xyz0[2]),
        'rgb'
    );
};

// register interpolator
index.rgb = rgb;

export default rgb;