Different colors, rose in adolescence, deep pigmentation during pregnancy and lactation, dark brown; For different women, the size and color of areola are also very different. Usually, fair-skinned people tend to be pink, while dark-skinned people tend to be brown. The female areola turns black, which is generally due to cell aging and estrogen secretion, resulting in melanin precipitation on the nipple epidermis, which is a healthy female sexual characteristic.