Convert an ID string, snowflake or anything, to a decimal colour

idtocolour.js

function IDToColour(id) {
    var hash = 0;
    var numbers = id.split('');
    for(var i = 0; i < id.length; i++) {
        hash = id.charCodeAt(i) + ((hash << 5) - hash);
    }

    var c = (hash & 0x00FFFFFF).toString(16).toUpperCase();
    return parseInt('00000'.substring(0, 6 - c.length) + c, 16);
}

IDToColour('123456789'); //11669557
IDToColour('987654321'); //1981237