A character known to possess [[heterochromia]] possesses eyes of matching color instead. 
* Does not apply on [[symbol-shaped pupils]] if the pupils (not the sclera) are replaced completely.
* If a character is too [[chibi]] to have colored pupils, or if nobody else has colored pupils.

If the usual eye colors are switched (Even if one eye is closed), it's no_heterochromia and-
If the character's usual pupil color matches, it's heterochromia and-
* [[Alternate eye color]] applies.