TT #124 · Parshas Tazria · Aliyah 2 · Passuk 10
English: If the eruption spreads out in the skin, so that the eruption covers all the skin of the affected person from head to foot, as far as the priest can see,
Chabad.org — Chumash, English translation + Rashi for Vayikra 13:12
Torah Temimah cites Sifra (Toras Kohanim) for including all prescribed appearances of tzaraas, not only one shade.
Sifra — Vayikra 13, Midrash Sefer
English: The word “tzaraas” includes the other recognized appearances of the lesion.
Textual derivation
The rule is not limited to the appearance named first; the term extends it to the other recognized shades.