JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.rawgit.com/mrdoob/three.js/master/build/three.min.js"></script>

CSS

body {
	  margin: 0;
}

JavaScript

var camera, scene, renderer;
var geometry, material, mesh;

var t = 0;

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.z = 5;

    scene = new THREE.Scene();
		
		scene.add( new THREE.AmbientLight( 0xffffff, 0.4 ) );
		
		var pointLight = new THREE.PointLight( 0xffffff, 0.6 );
		pointLight.position.set( 1, 1, 1 );
		scene.add( pointLight );

    geometry = new THREE.SphereBufferGeometry( 1, 16, 12 );
    material = new THREE.MeshPhongMaterial( { color: 0xff0000, flatShading: true } );

    mesh = new THREE.Mesh( geometry, material );
    scene.add( mesh );

    renderer = new THREE.WebGLRenderer( { antialias: true } );
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );

}

function animate( time ) {

    requestAnimationFrame( animate );
		
		t += 0.01;

    mesh.rotation.y += 0.01;
		
		material.emissive.setHSL( 1, 1, t % 1 ); // animating luminance from 0 to 1

    renderer.render( scene, camera );

}