Brown eyes

It seems there might be a typo or error in your question. Did you mean to ask about people with brown eyes? If so, individuals with brown eyes typically have eyes that appear brown in color, which is a common trait among humans. Eye color is determined by the amount and type of pigments in the front part of the iris. Brown eyes are associated with higher melanin levels. If you have a specific aspect you'd like more information on, feel free to ask!