Baseball groundskeepers rely on a phenomenon of color science called gonio-appearance to confuse our eyes into thinking we see two different colors of grass. In this case, the grass really is greener on the other side.
The girl who'd thrust her hand high in the air when the red planet was offered up to the group claimed Mars. "Why did you want to be Mars?" I asked her afterwards. I was not prepared for her unabashed reply: "I like pink. It was closest to pink."