As in the poll for female-haircolors also in this one I chose to put as similar looking models. So just look at the haircolor, which do you prefer on males? Is there a shade that you like more than others?
The link to the other poll will appear in the additional details!
Apparently most women prefer black/brown according to studies. Subconsciously they equate it to (this is my words) a more manly man. ie. better protector etc, which is ridiculous but I'm sure it's very true that thinking, even if they don't realize it.