| <!DOCTYPE html> | |
| <body style="background: white"> | |
| <svg width="300" height="300" style="mix-blend-mode: difference;"> | |
| <rect x="20" y="20" width="100" height="100" fill="rgb(255,0,0)"/> | |
| <rect x="140" y="20" width="100" height="100" fill="rgb(0,255,0)"/> | |
| <rect x="20" y="140" width="100" height="100" fill="rgb(0,0,255)"/> | |
| <rect x="140" y="140" width="100" height="100" fill="rgb(255,255,255)"/> | |
| </svg> | |
| </body> |