Blonde hair is hair color that is determined by hair with low levels of the dark pigment eumelanin.
That is fascinating! I have blonde hair! I don't think it is common as brown and black hair though. 
You are correct! Brown hair is the most common hair with black hair coming second. I also have blond hair.
Neat! I wonder if their could ever be any new hair colors that are natural? I know some people dye hair.
I don't know! lol My daughter dyed her hair blue at one point. The darker your natural color the more hair follicles you will have.
Wow! Did you like it? Is it good to have more hair follicles?
I just laughed basically! lol Blue hair is a hair color that isn't natural, obviously, although some animals have blue hair. The more follicles, I would think the thicker the hair.
Right! Yes some birds have blue hair. It is neat to observe them!
Blue hair
Blue hair is a type of hair color that does not naturally occur in human hair pigmentation, although the hair of some animals (such as dog coats) is described as blue. Some humans are born with bluish-black hair (also known as "blue black" hair), which is black that has a blue hue under the light.
The color has a long history of artistic and literary uses.
Fashion.
The 18th century English politician Charles Fox was a fashionable macaroni in his
Brown hair
Brown hair is the second most common human hair color, after black hair. It varies from light brown to almost black hair. It is characterized by higher levels of the dark pigment eumelanin and lower levels of the pale pigment pheomelanin. People with brown hair are often referred to as brunette, which in French is the feminine form of "brunet," the diminutive of "brun" (brown, brown-haired or dark-haired).
Brown hair is common among populations in the Western world