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.

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
If a man has on his skin a growth or a mark or a white place, and it becomes the disease of a leper, let him be taken to Aaron the priest, or to one of the priests, his sons;

General references

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;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain