slack-hex.js

var i = 16;
var sleep = 0;

while (i-- > 0) {
    var iHex = i.toString(16);
    var ii = 16;
    while (ii-- > 0) {
        (function() {
            var iiHex = ii.toString(16);
            var fullHex = iHex + iiHex + iHex + iiHex + iHex + iiHex;

            var msg = function() {
                TS.client.ui.onSubmit("#" + fullHex);
            };

            sleep++;
            setTimeout(msg, sleep * 1000);
        }());
    }
}