<!DOCTYPE HTML>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="400px" height="400px" style="background: green">
    <g>
        <rect x="50" y="50" width="200" height="200" style="fill: orange;"/>
        <rect x="100" y="100" width="250" height="250" style="fill: blue;"/>
        <rect x="100" y="100" width="150" height="150" style="fill: orange; mix-blend-mode: difference;"/>
    </g>
</svg>
