| <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> |
| <defs> |
| <mask id="mask"> |
| <rect x="0" y="0" width="140" height="140" fill="rgb(0%,90%,0%)"/> |
| <circle cx="70" cy="70" r="40" fill="rgb(0%, 99%, 0%)"/> |
| </mask> |
| </defs> |
| <rect x="20" y="20" width="100" height="100" style="fill:black;mask:url(#mask)"/> |
| |
| <!-- reference image - should be identical to above --> |
| <rect x="150" y="20" width="100" height="100" fill="rgb(111,111,111)"/> |
| <circle cx="200" cy="70" r="40" fill="rgb(76,76,76)"/> |
| </svg> |
