"I guess if you are colorblind and can't see purple you could try that in front of a Judge."

"There are only a handful of colors that show particularly well in the outdoors. Blaze orange obviously comes to mind first, but purple also shows itself well in a natural setting. In fact, it's also one of the few colors colorblind people can easily identify, making it an optimal choice for marking important landmarks. This is especially important in the woods where everything sort of blends together, as you don't want people to miss "no hunting" or "no trespassing" indicators on private land.

Back in 1989, Arkansas instituted the "purple paint rule" as a way for private property owners to effectively and efficiently post their land. By 1997, Texas adopted the rule as well."

"It is the mark of an educated mind to be able to entertain a thought without accepting it"