<svg xmlns="http://www.w3.org/2000/svg">
  <defs>
    <clipPath id="clip">
      <metadata/>
      <rect width="100%" height="100%"/>
    </clipPath>
  </defs>
  <rect fill="red" width="100%" height="100%" />
  <rect fill="lime" clip-path="url(#clip)" width="100%" height="100%" />
</svg>