hexToRgb and back

hexToRgb.js

function hexToRgb( color ) {
    console.log('Input: ' + color );
    color = color.replace('#','');
    var rgb = '';
    var rgbList = [];
    var colorList = [
        color.substr(0,2),
        color.substr(2,2),
        color.substr(4,2)
    ];
    for (var i = 0; i < colorList.length; i++) {
        rgbList.push ( parseInt( colorList[i] , 16) );
    }

    rgb = 'rgb(' + rgbList.join(',') + ')';

    console.log('Output: ' + rgb + '\n\n');

    return rgb;
}

function rgbToHex( color ){
    console.log('Input: ' + color );
    var colorBody = color.substring(4, color.length - 1);
    var colorList = colorBody.split(',');
    var hex = '#';

    for (var i = 0; i < colorList.length; i++) {
        hex += (+colorList[i]).toString(16).toUpperCase();
    }

    console.log('Output: ' + hex + '\n\n');

    return hex;
}

var hex = '#FF99CC';
var rgb = hexToRgb( '#FF99CC' );
var newHex = rgbToHex( rgb );