Mu. Your question cannot be answered because it depends on incorrect assumptions.
You make the silly assumption that all guys are the same when it comes to appreciating certain qualities in a woman. In this you are wrong. Some guys love redheads. Others prefer other hair colours. Some don't have a strong preference at all. The same applies to eye colour, breast size, height, weight, and almost any other quality.
For a lot of people, or at least for me, it depends on the girl, it is part of them that makes them attractive. Although, people tend to have "types" but it really does vary from girl to girl. If a certain hair or eye color works for a certain girl and they are attractive because of it then that is fine but I don't think that it is applicable to every girl.
i do find redheads very sexy, but I guess it does not apply to everyone. now I've read that the -natural- redheads are running out of the gene pool, so despite being sexy (or not), they are quite hard to find. (and that's a natural sexy-flag)