What do café-au-lait spots look like?

What do café-au-lait spots look like?

Café-au-lait (CAL) spots have a distinct appearance on the skin that sets them apart from other birthmarks. Characteristics of CAL spots include:

• Flat spots on the skin, typically on the torso, arms, legs and buttocks.
• Light brown to dark brown color.
• Round or oval shape, between 2 millimeters to more than 20 centimeters in diameter.
• Smooth or rigid border around the spot.
• Spots can grow in size and number with age.
• Spots are painless and don't cause itchiness or other symptoms.