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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: rec2020</title>
<link rel="author" title="Sam Weinig" href="">
<link rel="help" href="">
<link rel="match" href="blacksquare-ref.html">
<meta name="assert" content="rec2020 with no alpha">
.test { background-color: red; width: 12em; height: 12em; }
.test { background-color: color(rec2020 0 0 0); } /* black (sRGB #000000) converted to rec2020 */
<p>Test passes if you see a black square, and no red.</p>
<div class="test"></div>