chromium/content/test/data/rgb.svg

<svg xmlns="http://www.w3.org/2000/svg" width="90" height="90">
  <rect width="30" height="90" fill="red"/>
  <rect width="30" height="90" x="30" fill="green"/>
  <rect width="30" height="90" x="60" fill="blue"/>
</svg>