Try it Yourself: Colors CMYK and HWB

Colors CMYK and HWB

<!DOCTYPE html>
<html>
<head>
<style>
@media print {
  .badge {
    background-color: device-cmyk(0% 100% 100% 0%);
    color: device-cmyk(0% 0% 0% 100%);
  }
}
</style>
</head>
<body>

<span class="badge">Badge</span>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
@media print {
  .badge {
    background-color: device-cmyk(0% 100% 100% 0%);
    color: device-cmyk(0% 0% 0% 100%);
  }
}
</style>
</head>
<body>

<span class="badge">Badge</span>

</body>
</html>