JSFiddle - React, Tailwind, and code Playground

HTML

<p id="para1">Some text here</p>  
  <button onclick="changeColor('blue');">blue</button>  
  <button onclick="changeColor('red');">red</button>

JavaScript

function changeColor(newColor) {
    var elem = document.getElementById("para1");
    elem.style.color = newColor;
}