Hello projectbaby,
Neurofibromatosis is a neurological genetic disorder. Cafe-au-lait spots are classic feature of
Neurofibromatosis and are flat birthmarks with distinct edges are a bit darker than the surrounding skin. In light-skinned individuals, they are the color of coffee with lots of cream. In those with darker skin, they can be the color of a rich, full-bodied, black coffee. The spots can increase in size, number, and darkness throughout childhood.