<!DOCTYPE html>
<base href="http://www.example.com/">
<svg>
    <filter id="filter" x="0" y="0" width="1" height="1" color-interpolation-filters="sRGB">
        <feFlood flood-color="green"/>
    </filter>
    <rect width="100" height="100" fill="red" filter="url(#filter)"/>
</svg>