<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: OKLab and OKLCH</title>
<link rel="author" title="Sam Weinig" href="mailto:weinig@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-color-4/#specifying-oklab-oklch">
<link rel="help" href="https://drafts.csswg.org/css-color-4/#oklab-lab-to-predefined">
<link rel="match" href="oklab-007-ref.html">
<meta name="assert" content="oklab() with no alpha, negative b axis">
<style>
    .test { background-color: red; width: 12em; height: 6em; ma