Why are Illaoi's base skin eyes so bright in-game?

This is the splash https://vignette.wikia.nocookie.net/leagueoflegends/images/a/a7/IllaoiSquare.png/revision/latest?cb=20151111024020 This is in-game https://imgur.com/mGWqwJv Whyyyyy [sg-janna]

Ps: The void skin doesn't have her eyes so bright, so it must be something wrong with her base skin