JSFiddle - React, Tailwind, and code Playground
by Andrey
HTML
<lable for="color">Введите цвет, например #ddeeaa</lable><input name="color" id='color' type="text"></lable>
CSS
body{
background: green;
}
JavaScript
var color = document.getElementById('color');
color.addEventListener('keyup', function(){
//console.log(color.value);
document.body.style.background = color.value;
})