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chromium/third_party/blink/web_tests/fast/forms/color/color-picker-top-left-selection-position-after-reopen.html 

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-1000">
<script src="../../../resources/testdriver.js"></script>
<script src="../../../resources/testdriver-vendor.js"></script>
<script src='../../../fast/forms/resources/picker-common.js'></script>

<input style='margin: 40px 0' type='color' id='color' value='#FFFFFF'>

<script>
  const element = document.querySelector('input');
  openPicker(element)
  .then(eventSender.keyDown('Enter'))
  .then(openPickerAppearanceOnly(element));
</script>