JSFiddle - React, Tailwind, and code Playground

CSS

body { background-color: #dedb00; }

JavaScript

var rdm = Math.floor(Math.random()*6),
    colors = ['#dedb00', '#ffeb00', '#a9cf53', '#f1836b', '#cd2c23', '62a69f', '#578f27', '#f7b134', '#e85d10'];

$('body').css({backgroundColor: colors[rdm]});