What one type of spectrum inversion would "look like," in the qualitative sense of "look." (Not the functional sense in which bananas look yellow to both the normal person and the invert. The left picture is the normal look, and the right represents each color on the wheel being flipped to the one opposite from it.
This paper talks about a lot of things. We are mostly interested in Section II, beginning on p. 19. Read at least the next two or three pages from there. https://drive.google.com/a/ucsb.edu/file/d/0B9lYOkgMI40Yd3IyMDd1QzFsNDQ/view?usp=drivesdk