chromium/third_party/blink/web_tests/external/wpt/css/css-color/greensquare-090-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Green square #009900 reference</title>
<style>
    .test { background-color: #009900; width: 12em; height: 12em;}
</style>
<body>
    <p>Test passes if you see a green square, and no red.</p>
    <div class="test"></div>
</body>