What is the medical term for color is not good for newborns skin to have?

Jaundice is one kind of skin discoloration that newborns can have, which gives a yellow color to the skin. It is common in newborns as a transient condition and often treated with sunlight.

Cyanosis is another. It is a sign of low oxygenation and causes a blueish coloration in the skin. It is also common and usually resolves after the initial resuscitation measures in newborns. Acrocyanosis is a partial blueish discoloration affecting mostly the areas outside of the newborn's body core area, such as in the hands and feet.

Dyschromia is the general term for skin discoloration.