The distribution of pigment makes the skin tougher.
Nipples become darker when pregnant
Brown
Some nipples are differnt mainly because the color is varied in other parts of the skin. There is no problem with it.
Brown
Her nipples are BLUE
Her skin tone.
The rings around your nipples are what change in colour and are due to the changes in the hormones that your body is creating.
no
in some girls yes they are
darker hue then they normaly are
oh now or then
i think u can tell by their skin tone