<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<style>
.reftest {
  width: 200px;
  height: 200px;
  background-size: 100px 100px, 200px 200px;
  background-repeat: no-repeat;
}

.blend {
  background-image: url(as-image/black100x100.png);
  background-color: rgb(0, 255, 0);
}
</style>
<div class="reftest blend"></div>
</html>