<html>
<head>
<title>CSS4 media query test: color-gamut.</title>
<style type="text/css">
#a { background-color: green; color: white; }
#b { background-color: green; color: white; }
#c { background-color: green; color: white; }

@media (color-gamut: p3) {
#b { background-color: blue; }
}
/* reduced is not a valid color space */
@media (color-gamut: reduced) {
#c { background-color: blue; }
}
</style>
</head>
<body>
  <p id="a">This paragraph should have a green background.</p>
  <p id="b">This paragraph should have a blue background on a device with a display that supports something close to P3. Otherwise the background should be green.</p>
  <p id="c">This paragraph should have a green background.</p>
  <p>Note that the expected results of this test assume a display that is not significantly wider than sRGB.</p>
</body>
</html>