Seasonally, blondes are spring and summery , and brunettes are autumn and wintry. Emily, from Our Little Adventure , is a straight example. The two types are black eumelanin and brown eumelanin. But I noticed most famous dark-haired classic women — such as Jane Russell and Audrey Hepburn — smiled less frequently than Marilyn did in pictures, so they appear pensive and mysterious.
Hopefully, guys don't judge a woman by her hair color , but they do have perceptions based on culture, media, and personal taste, similar to unconscious interpretation of inkblots. And the Word of God is that the stereotype played possibly without realization a role in their design. The eyes may actually have it.