Percentage to RGB gradient

rgbp.js

const rgbp = (r,g,b) => { // takes rgb values as percents
    // if its a percent, get the percentage of the max color range, else just use
    // what we are given.

    // Schema:
    // color[Int <percent/raw>, String('p' <percent>, 'r' <raw>), Int <min>, Int <max>]
    let getRangePercent = (percent, min, max) => Math.floor(((percent / 100) * (max-min)) + min);

    let r = (r[1] === 'p') ? getRangePercent(r[0], r[2], r[3]) : r[0],
        g = (g[1] === 'p') ? getRangePercent(g[0], g[2], g[3]) : g[0],
        b = (b[1] === 'p') ? getRangePercent(b[0], b[2], b[3]) : b[0];

        r = (r > 255) ? 255 : r;
        g = (g > 255) ? 255 : g;
        b = (b > 255) ? 255 : b;

    return `rgb(${r}, ${g}, ${b})`;
};