Ever think about what color blind (or deficient) people see?
I used to think about this kind of stuff ALL THE TIME when I was a kid. Drove me
It's like what's the norm that we can then gauge color deficiency from.... for
example is the green that I see equal to the purple that you see, but we've
just learned to call it different names? think about that one...
in the meantime, i found this page that gives examples of how it actually does