וְהָיָ֨ה הַנֶּ֜גַע יְרַקְרַ֣ק ׀ א֣וֹ אֲדַמְדָּ֗ם בַּבֶּגֶד֩ א֨וֹ בָע֜וֹר אֽוֹ־בַשְּׁתִ֤י אוֹ־בָעֵ֙רֶב֙ א֣וֹ בְכָל־כְּלִי־ע֔וֹר נֶ֥גַע צָרַ֖עַת ה֑וּא וְהָרְאָ֖ה אֶת־הַכֹּהֵֽן׃
If the plague be greenish or reddish in the garment, or in the skin, or in the warp, or in the woof, or in any thing of skin, it is the plague of leprosy, and shall be shown unto the priest.
Read halakhic rulings (Jewish law) on Leviticus 13:49: and classical halakhic sources.