Leviticus 14:37
And if he sees that the walls of the house are marked with hollows of green and red, and if it seems to go deeper than the face of the wall;
Leviticus 13:3
And if, when the priest sees the mark on his skin, the hair on the place is turned white and the mark seems to go deeper than the skin, it is the mark of a leper: and the priest, after looking at him, will say that he is unclean.
Leviticus 13:19-20
And on the same place there is a white growth of a bright mark, red and white, then let the priest see it;
Leviticus 13:42
But if, on his head or on his brow, where he has no hair, there is a red and white place, it is the disease of the leper coming out on his head or on his brow.
Leviticus 13:49
If there are red or green marks on the clothing, or on the leather, or in the threads of the cloth, or in anything made of skin, it is the leper's disease: let the priest see it.