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chromium/third_party/blink/web_tests/fast/forms/accent-color/checkbox-accent-color-hover-dark-appearance.html 

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-100">
<script src="../../../resources/run-after-layout-and-paint.js"></script>
<script src="../resources/common.js"></script>

<body style="accent-color: rgb(65, 190, 75)">

not hovered:<br>
<input type=checkbox checked><br>
<br>

hovered:<br>
<input type=checkbox checked id=hovered><br>

<script>
hoverOverElement(document.getElementById('hovered'));
</script>