A similar retinal-based process is suggested by the opponent-process theory of chromatic afterimages, whereby complementary color afterimages are perceived according to the inducer color (e.g. a ...

Staring at the square, a visual afterimage begins to form. Let a secondary element B of the system be the perceived color of the afterimage (this situation elicits a negative afterimage which starts ...

The afterimage will appear on each surface as you fixate on it, and, amazingly, its apparent size will expand or shrink depending on how far or close the surface of regard is. What fun!