JSFiddle - React, Tailwind, and code Playground

HTML

<p id="pColor">Este párrafo cambiará de color según el valor del radio seleccionado.</p>

    <form name="formColor">
        <input type="radio" name="color" value="red" id="red"/>Rojo
        <input type="radio" name="color" value="green" id="green"/>Verde
        <input type="radio" name="color" value="blue" id="blue"/>Azul
    </form>

JavaScript

$(document).ready(function(){
    $("input[name='color']").change(function(){
        cambiaColor()
    });
});

var cambiaColor=function(){
    $("input").on('click', function(){
        $("#pColor").css("color",$(this).val());
    });
}