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chromium/third_party/blink/web_tests/external/wpt/css/css-color/color-mix-currentcolor-002-ref.html 

<!doctype html>
<style>
div {
  width: 100px;
  height: 100px;
  background-color: red;
  color: red;
  background-color: color-mix(in lch, green 50%, blue);
}
</style>
<div></div>