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Test oklab()/oklch() with lightness close to 0/1 #45073

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merged 1 commit into from Mar 16, 2024
Merged

Test oklab()/oklch() with lightness close to 0/1 #45073

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9 changes: 9 additions & 0 deletions css/css-color/oklab-l-almost-0-ref.html
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@@ -0,0 +1,9 @@
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.ref { background-color: oklab(0 0.15 0.15); border: 1px solid black; width: 200px; height: 200px; }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="ref"></div>
</body>
21 changes: 21 additions & 0 deletions css/css-color/oklab-l-almost-0.html
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@@ -0,0 +1,21 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: OKLab and OKLCH</title>
<link rel="help" href="https://drafts.csswg.org/css-color-4/#specifying-oklab-oklch">
<link rel="match" href="oklab-l-almost-0-ref.html">
<meta name="assert" content="oklab() with lightness very close to 0 should render the same as 0">
<style>
.square { border: 1px solid black; width: 200px; height: 200px; }
.test { background-color: red; height: 100px; }
/* Non-zero a/b is used to show if the result is black or not, but the
* test passes as long as it's the same color. */
.ref { background-color: oklab(0 0.15 0.15); height: 100px; }
.test { background-color: oklab(0.0001% 0.15 0.15); }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="square">
<div class="ref"></div>
<div class="test"></div>
</div>
</body>
9 changes: 9 additions & 0 deletions css/css-color/oklab-l-almost-1-ref.html
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Open in desktop
@@ -0,0 +1,9 @@
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.ref { background-color: oklab(1 0.15 0.15); border: 1px solid black; width: 200px; height: 200px; }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="ref"></div>
</body>
21 changes: 21 additions & 0 deletions css/css-color/oklab-l-almost-1.html
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Open in desktop
@@ -0,0 +1,21 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: OKLab and OKLCH</title>
<link rel="help" href="https://drafts.csswg.org/css-color-4/#specifying-oklab-oklch">
<link rel="match" href="oklab-l-almost-1-ref.html">
<meta name="assert" content="oklab() with lightness very close to 1 should render the same as 1">
<style>
.square { border: 1px solid black; width: 200px; height: 200px; }
.test { background-color: red; height: 100px; }
/* Non-zero a/b is used to show if the result is white or not, but the
* test passes as long as it's the same color. */
.ref { background-color: oklab(1 0.15 0.15); height: 100px; }
.test { background-color: oklab(99.9999% 0.15 0.15); }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="square">
<div class="ref"></div>
<div class="test"></div>
</div>
</body>
9 changes: 9 additions & 0 deletions css/css-color/oklch-l-almost-0-ref.html
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Open in desktop
@@ -0,0 +1,9 @@
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.ref { background-color: oklch(0 0.2 45); border: 1px solid black; width: 200px; height: 200px; }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="ref"></div>
</body>
21 changes: 21 additions & 0 deletions css/css-color/oklch-l-almost-0.html
View file
Open in desktop
@@ -0,0 +1,21 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: OKLab and OKLCH</title>
<link rel="help" href="https://drafts.csswg.org/css-color-4/#specifying-oklab-oklch">
<link rel="match" href="oklch-l-almost-0-ref.html">
<meta name="assert" content="oklch() with lightness very close to 0 should render the same as 0">
<style>
.square { border: 1px solid black; width: 200px; height: 200px; }
.test { background-color: red; height: 100px; }
/* Non-zero chroma is used to show if the result is black or not, but the
* test passes as long as it's the same color. */
.ref { background-color: oklch(0 0.2 45); height: 100px; }
.test { background-color: oklch(0.0001% 0.2 45); }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="square">
<div class="ref"></div>
<div class="test"></div>
</div>
</body>
9 changes: 9 additions & 0 deletions css/css-color/oklch-l-almost-1-ref.html
View file
Open in desktop
@@ -0,0 +1,9 @@
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.ref { background-color: oklch(1 0.2 45); border: 1px solid black; width: 200px; height: 200px; }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="ref"></div>
</body>
21 changes: 21 additions & 0 deletions css/css-color/oklch-l-almost-1.html
View file
Open in desktop
@@ -0,0 +1,21 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Color 4: OKLab and OKLCH</title>
<link rel="help" href="https://drafts.csswg.org/css-color-4/#specifying-oklab-oklch">
<link rel="match" href="oklch-l-almost-1-ref.html">
<meta name="assert" content="oklch() with lightness very close to 1 should render the same as 1">
<style>
.square { border: 1px solid black; width: 200px; height: 200px; }
.test { background-color: red; height: 100px; }
/* Non-zero chroma is used to show if the result is white or not, but the
* test passes as long as it's the same color. */
.ref { background-color: oklch(1 0.2 45); height: 100px; }
.test { background-color: oklch(99.9999% 0.2 45); }
</style>
<body>
<p>Test passes if you see a square border with a single color inside.</p>
<div class="square">
<div class="ref"></div>
<div class="test"></div>
</div>
</body>