spam.js

var interval = setInterval(function() {
	ws.send(rgbToHex(getRandomInt(0,255),getRandomInt(0,255),getRandomInt(0,255)));
}, 1000);

function componentToHex(c) {
    var hex = c.toString(16);
    return hex.length == 1 ? "0" + hex : hex;
}

function rgbToHex(r, g, b) {
    return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}

function getRandomInt (min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}