JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.web2media.net/samples/color_picker/jquery.colorPicker.js"></script>
<link rel="stylesheet" href="http://www.web2media.net/samples/color_picker/colorPicker.css">
<input id="DashboardTreeHeaderFontColour" type="text" value="#333399"/>

JavaScript

$(document).ready(function () {
    $("#DashboardTreeHeaderFontColour").colorPicker();
});