JSFiddle - React, Tailwind, and code Playground

HTML

<table width="900" border="0" cellspacing="0" cellpadding="0">
        <tr>
            <td bgcolor="#00FF00">
                <form id="form1" name="form1" method="post" action="">
                    <input type="radio" name="radio" id="radio" value="green" />
                    Verde
                    <input type="radio" name="radio" id="radio2" value="blue" />
                    Azul
                    <input type="radio" name="radio" id="radio3" value="yellow" />
                    Amarelo
                    <input type="radio" name="radio" id="radio4" value="pink" />
                    Rosa 
                    <input type="button" name="button" id="button" value="Submit" />
                </form>
            </td>
        </tr>
    <tr>
            <td bgcolor="#0099FF">
                    <form id="form2" name="form2" method="post" action="">
                    <input type="radio" name="radio" id="radio" value="green" />
                    Verde
                    <input type="radio" name="radio" id="radio2" value="blue" />
                    Azul
                    <input type="radio" name="radio" id="radio3" value="yellow" />
                    Amarelo
                    <input type="radio" name="radio" id="radio4" value="pink" />
                    Rosa 
                    <input type="button" name="button" id="button" value="Submit" />  
                </form>
            </td>
        </tr>
        <tr>
            <td bgcolor="#FFFF00">
                <form id="form3" name="form3" method="post" action="">
                    <input type="radio" name="radio" id="radio" value="green" />
                    Verde
                    <input type="radio" name="radio" id="radio2" value="blue" />
                    Azul
                    <input type="radio" name="radio" id="radio3" value="yellow" />
                    Amarelo
                    <input type="radio" name="radio" id="radio4" value="pink" />
                    Rosa 
...

JavaScript

$('input[type=button]').click(function(){    
    cor = $(this).parent().find('input[type=radio]:checked').val();    
    $(this).parent().parent().css('background', cor);
});