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color-computed-hwb.html
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color-computed-hwb.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Color Level 4: Computation of colors using HWB notation</title>
<link rel="help" href="https://drafts.csswg.org/css-color-4/#the-hwb-notation">
<link rel="help" href="https://drafts.csswg.org/css-color-4/#resolving-sRGB-values">
<link rel="help" href="https://drafts.csswg.org/css-color-4/#serializing-sRGB-values">
<link rel="author" title="Sam Weinig" href="mailto:weinig@apple.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
</head>
<body>
<div id="container">
<div id="target"></div>
</div>
<style>
#container {
color: rgb(255, 0, 0);
}
</style>
<script>
tests = [
["hwb(120 30% 50%)", "rgb(77, 128, 77)"],
["hwb(120 30% 50% / 0.5)", "rgba(77, 128, 77, 0.5)"],
["hwb(120 30% 50% / 50%)", "rgba(77, 128, 77, 0.5)"],
["hwb(none none none)", "rgb(255, 0, 0)"],
["hwb(0 0% 0%)", "rgb(255, 0, 0)"],
["hwb(none none none / none)", "rgba(255, 0, 0, 0)"],
["hwb(0 0% 0% / 0)", "rgba(255, 0, 0, 0)"],
["hwb(120 none none)", "rgb(0, 255, 0)"],
["hwb(120 0% 0%)", "rgb(0, 255, 0)"],
["hwb(120 80% none)", "rgb(204, 255, 204)"],
["hwb(120 80% 0%)", "rgb(204, 255, 204)"],
["hwb(120 none 50%)", "rgb(0, 128, 0)"],
["hwb(120 0% 50%)", "rgb(0, 128, 0)"],
["hwb(120 30% 50% / none)", "rgba(77, 128, 77, 0)"],
["hwb(120 30% 50% / 0)", "rgba(77, 128, 77, 0)"],
["hwb(120 30% 50% / 0%)", "rgba(77, 128, 77, 0)"],
["hwb(none 100% 50% / none)", "rgba(170, 170, 170, 0)"],
["hwb(0 100% 50% / 0)", "rgba(170, 170, 170, 0)"],
["hwb(0 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(30 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(60 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(90 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(120 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(180 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(210 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(240 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(270 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(300 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(330 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(360 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(90deg 50% 50%)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
["hwb(90 0% 50%)", "rgb(64, 128, 0)", "HWB value should parse and round correctly"],
["hwb(90 12.5% 50%)", "rgb(80, 128, 32)", "HWB value should parse and round correctly"],
["hwb(90 25% 50%)", "rgb(96, 128, 64)", "HWB value should parse and round correctly"],
["hwb(90 37.5% 50%)", "rgb(112, 128, 96)", "HWB value should parse and round correctly"],
["hwb(90 62.5% 50%)", "rgb(142, 142, 142)", "HWB value should parse and round correctly"],
["hwb(90 75% 50%)", "rgb(153, 153, 153)", "HWB value should parse and round correctly"],
["hwb(90 87.5% 50%)", "rgb(162, 162, 162)", "HWB value should parse and round correctly"],
["hwb(90 100% 50%)", "rgb(170, 170, 170)", "HWB value should parse and round correctly"],
["hwb(90 50% 0%)", "rgb(191, 255, 128)", "HWB value should parse and round correctly"],
["hwb(90 50% 12.5%)", "rgb(175, 223, 128)", "HWB value should parse and round correctly"],
["hwb(90 50% 25%)", "rgb(159, 191, 128)", "HWB value should parse and round correctly"],
["hwb(90 50% 37.5%)", "rgb(143, 159, 128)", "HWB value should parse and round correctly"],
["hwb(90 50% 62.5%)", "rgb(113, 113, 113)", "HWB value should parse and round correctly"],
["hwb(90 50% 75%)", "rgb(102, 102, 102)", "HWB value should parse and round correctly"],
["hwb(90 50% 87.5%)", "rgb(93, 93, 93)", "HWB value should parse and round correctly"],
["hwb(90 50% 100%)", "rgb(85, 85, 85)", "HWB value should parse and round correctly"],
["hwb(90 50% 50% / 0)", "rgba(128, 128, 128, 0)", "HWB value should parse and round correctly"],
["hwb(90 50% 50% / 0.2)", "rgba(128, 128, 128, 0.2)", "HWB value should parse and round correctly"],
["hwb(90 50% 50% / 1)", "rgb(128, 128, 128)", "HWB value should parse and round correctly"],
];
for (const test of tests) {
test_computed_value("color", test[0], test[1], test[2] ? `[${test[2]}]` : undefined);
}
</script>
</body>
</html>