busyI can actually see these. I'm not the only one. Celtic languages have a term for yellow-blue although it's usually translated as yellow-grey. It's an eye color in that gene pool, a very rare one, but I've known people with it; and the color of stormlight or late afternoon clouds sometimes. Red-green I've seen in certain species of trees whose leaves have a bronzed tone -- red, green, blue, brown, all at the same time.
I was looking at an article about how the strawberry squid has eyes optimized in two totally different ways. Mine are slightly offset in color perception, and I wonder if that creates a kind of binocular vision for colors. I'm pretty sure it's why most 3D methods don't work for me -- the difference between my eyes means that my brain tears apart the illusion. Breaks most kinds of camouflage, in fact. Very useful when I'm looking for things.
