covertrbgtohex/covertRBGtoHex.js

this library covert RBG to HEX

const covert = (...num) => {
   const a = num.map(value => {
    const hex = value.toString(16);
    return hex.length === 1 ? "0" + hex : hex;
   })
   return '#' + a.join('');
}

export default covert
// test