Leviticus 13:49
and if the mark in the fabric, leather, weave, knit, or leather article is green or red, then it is contaminated with mildew and must be shown to the priest.
Berean Standard Bible
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:
if the plague is greenish or reddish in the garment, or in the leather, or in the warp, or in the woof, or in anything made of leather; it is the plague of leprosy, and shall be shown to the priest.