lab-002.html
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: Specifying Lab and LCH</title>
<link rel="author" title="Chris Lilley" href="mailto:chris@w3.org">
<link rel="help" href="https://drafts.csswg.org/css-color-4/#specifying-lab-lch">
<link rel="match" href="blacktext-ref.html">
<meta name="assert" content="lab() with no alpha">
<style>
.test { color: red; }
.test { color: lab(0 0 0)} /* black (sRGB #000000) converted to Lab */
</style>
<body>
<p class="test">Test passes if this text is black</p>
</body>
