I think they used to be generally blonder and lighter eyed then they are now.
Blue eyes are increasingly rare in America - Americas - International Herald Tribune (Published 2006).
Also look at for example at new movies, and compare them to old movies, you will see even people or actors who play white roles looking more latino for example or like sasha grey (white greek american porn star and now actor) nowadays, then in old movies where you would see more blondes and light eyed people...
Blue eyes are increasingly rare in America - Americas - International Herald Tribune (Published 2006).
Also look at for example at new movies, and compare them to old movies, you will see even people or actors who play white roles looking more latino for example or like sasha grey (white greek american porn star and now actor) nowadays, then in old movies where you would see more blondes and light eyed people...