Leviticus 13:49

if the mark is greenish or reddish in the garment or in the leather or in the warp or woof or in any article made of leather, it is an infestation of leprosy and shall be shown to the priest.

Treasury of Scripture Knowledge

Summary

And if the plague be 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 shewed unto the priest:

General references

Bible References

It is

Leviticus 13:2
“When a man has a swelling on the skin of his body, a scab, or a bright spot, and it becomes the infection of leprosy on the skin of his body, then he shall be brought to Aaron the priest, or to one of his sons the priests.

General references

Leviticus 14:37
He shall examine the mark, and if the mark on the walls of the house has greenish or reddish depressions and appears deeper than the surface,