Which shade of tzara'at is described as resembling 'the lime of the Temple building'?
Halacha 2 specifies that the sapachat (derivative) of baheret resembles the lime of the Temple building — slightly darker than si'ait but brighter than the membrane of an egg.
Question 2
What is the term for a blemish shade that is a mixture of white with a slight redness?
Halacha 4 defines petuch as a shade mixing whiteness with slight redness. It is illustrated by the image of cups of milk mixed with varying drops of blood.
Question 3
What is the minimum size that a tzara'at blemish must be in order to render a person impure?
Halacha 7 states the minimum is a square Cilician gris — space for 36 hairs (6 length × 6 width). Halacha 8 adds that even a cubit-long blemish that is only 5 hairs wide is pure.
Question 4
If a baheret darkens until it is lighter than the membrane of an egg, what is the person's status?
Halacha 11 explains that if the blemish fades below all four recognized shades (i.e., lighter than the membrane of an egg), it becomes a bohak and the person is pure.
Question 5
A priest who does not recognize the four shades of tzara'at and their names may:
Halacha 3 states that a priest who cannot identify the shades and name each one — 'This is baheret, this is its derivative, this is si'ait, this is its derivative' — should not assess any blemish until he fully understands them.