monochrome.html | Explore in Territory

<html>
<head>
<style type="text/css">
    div { width: 100px; height: 100px; background-color: red }
    @media screen and (min-monochrome: 0) { div#a { background-color: green } }
</style>
</head>
<body>
    <div id="a"></div>
</body>
</html>

chromium/third_party/blink/web_tests/fast/media/monochrome.html