Green hair may be a more unusual hair color for movie and TV show characters, but there are still plenty of memorable people who sport the bright and fun style. Blonde actresses are considered the classic Hollywood starlet, black hair on men is for action heroes, rebellious teens often get pink or red, and silver now signifies a character may have some Targaryen ancestry: most hair colors have a corresponding meaning or signal something about the characters who sport them.

https://screenrant.com/best-green-hair-characters-movies-tv-shows/