In the Lightning thief it says Thalia has green eyes? & is Annabeth naturally a brunette?

Ya.....I have actually found a couple of mistakes that Rick made. In one of the books, maybe the Sea of Monsters, Percy is confronting Luke on Princess Andromeda and he says something about the female pegasus whinnying and flying away. well, that "female" turns out to be Blackjack. And I don't believe Annabeth would die her hair. Stupid movie messed it up.