<!DOCTYPE html>
<html>
  <head>
    <style>
      label {color: green}
    </style>
  </head>
  <body>
    <div>
      <input id="one" disabled="disabled"/>
      <label for="one">Should be no red</label>
    </div>
    <div>
      <input id="two"/>
      <label for="two">Should be no red</label>
    </div>
  </body>
</html>