JSFiddle - React, Tailwind, and code Playground

HTML

<div id="clickme"> Click me </div>

CSS

div{ background:#00CC00; display:inline-block; margin:20px; border-radius:5px; padding:20px;cursor:pointer;}

JavaScript

$(function(){
    $('#clickme').click(function(){
        var color = $(this).css('background-color');
        if(color == '#CC0000' || color == 'rgb(204, 0, 0)'){
            $(this).css('background-color', '#00CC00');
        }else{
            $(this).css('background-color', '#CC0000');
        }
    });
});