<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Testcase that mask defaults to sRGB</title> <defs> <mask id="mask" maskContentUnits="objectBoundingBox"> <rect width="1" height="1" fill="#3f3f3f" /> </mask> </defs> <rect width="100" height="100" x="100" y="100" mask="url(#mask)" fill="#FF0000"/> </svg>