It was invented by Alhazen so I don't know if the same applies.
Answer:
Brown and Black for me
Explanation:
Those two colors look fine on their own, but when you put them together they look awful.
Fresco Secco. In the dry plaster or "fresco secco" technique, pigments are usually mixed with water, although other substances might also be used. The paint is then applied to a dry plaster wall which has been wetted down with water.