Originally Posted by Hoppy
Our eyes are not very good for seeing red light, but very good for seeing green light, so whatever green light is reflected by the leaves looks brighter than it really is on an absolute scale. Or, perhaps I could say, "don't believe your lying eyes!".
Hence why green dot weapon sights are starting to become more of a standard than red, easier to see in most conditions.
Also, flourescent lights do emit UV, in small amounts. Even LEDs do, but its so sicnificantly lower than everything else it might aswell not be considered.