Try it Yourself: Colors CMYK and HWB

Colors CMYK and HWB

<!DOCTYPE html>
<html>
<head>
<style>
.swatch {
  background-color: hwb(200 0% 0%); /* a vivid, fully saturated blue */
}
</style>
</head>
<body>

<div class="swatch">Swatch</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.swatch {
  background-color: hwb(200 0% 0%); /* a vivid, fully saturated blue */
}
</style>
</head>
<body>

<div class="swatch">Swatch</div>

</body>
</html>