0
If a certain colour needs creating for a new set or minifigure, they will come up with new a colour.
because of the light reflecting off the water with the h2o creating the colour blue
could be Colour Material and Finishing
Probably one of the many 'colour morphs' that some breeders seem obsessed with creating !
The rings around your nipples are what change in colour and are due to the changes in the hormones that your body is creating.