Number 4 hair color, also known as "medium brown," is a common shade that falls between light and dark brown on the hair color spectrum. It is a versatile and flattering shade that suits a wide range of skin tones.
Number 4 hair color is a popular choice for those looking for a natural, low-maintenance hair color. It is also a good option for people who want to cover gray hair without going too dark. Historically, medium brown hair has been associated with reliability, warmth, and sophistication.