I think men and women may have a different opinion on that.

• I love black hair on women, if they have also a cream or light skin tone. That contrast looks so attractive on some women:

• I also like light hair + dark eyebrow combination (I am pretty sure, not everyone will agree, but I think it looks amazing)

• I think grey/silver hair tones can be also very attractive if your skin tone is warm/dark, again the contrast makes things attractive:

• And finally, I believe women in each age bracket is beautiful on their own way and I like also snow white hair on mature light skinned ladies: