Leviticus 14:37
And he shall look on the plague, and if the plague is seen in the walls of the house with hollow streaks, greenish or reddish, which appear to be lower than the wall,
Leviticus 13:3
and the priest shall look on the plague in the skin of the flesh, and if the hair in the plague is turned white and the plague looks deeper than the skin of his flesh, it is a plague of leprosy; and the priest shall recognize him and pronounce him unclean.
Leviticus 13:19-20
and in the place of the boil there is a white rising or a bright spot, white, and somewhat reddish, it shall be shown to the priest;
Leviticus 13:42
But if in the bald head, or bald forehead, there is a white reddish sore, it is a leprosy sprung up in his bald head, or his bald forehead.
Leviticus 13:49
and if the plague is greenish or reddish in the garment or in the skin, either in the warp or in the woof or in any thing of skin, it is a plague of leprosy and shall be shown unto the priest.