Avoid Colorblindness Issues by Carefully Choosing Color that Convey Information

HTML-CSS
1

the code should change the text color for the button to the dark blue

Your code so far


<head>
  <style>
  button {
    color: #33FF33;
    background-color: #FFFF33;
    font-size: 14px;
    padding: 10px;
  }
  </style>
</head>
<body>
  <header>
    <h1>Danger!</h1>
  </header>
  <button>Delete Internet</button>
</body>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge: