olehmelnyk

/**
 * Parsing 3rd party website
 * not sure how accurate/valid/outdated it is
 * and this resource might be closed any time
 * but https://github.com/teelaunch/pms-pantone-color-chart
 * uses this site here https://github.com/teelaunch/pms-pantone-color-chart/blob/master/pantone.js#L9
 * */
async function rgbToPantone(RGB){
    return fetch(`http://www.netfront.fr/Services/rgb2pantone/pantone.htm?r=${RGB[0]}&g=${RGB[1]}&b=${RGB[2]}`)
        .then(resolve => resolve.text())

olehmelnyk

// get HEX/RGB/CMYK by Pantone code (parse official Pantone website search result)
async function pantone(pantoneCode){
    pantoneCode = pantoneCode       // validate input:
        .trim()
        .replace(/^PANTONE /i, '')  // we don't need 'PANTONE ' here
        .replace(/ /g, '-');        // no spaces

    return fetch(`https://www.pantone.com/color-finder/${pantoneCode}`)
        .then(response => response.text())
        .then(doc => new DOMParser().parseFromString(doc, 'text/html'))