Somewhat dark - Rather, somewhat faint. Compare Leviticus 13:6.

Behold, the plague be somewhat dark. —But if after the washing the priest finds that the suspicious colour has changed fr…

And if the priest look, and, behold, the plague [be] somewhat dark after the washing of it Has become a weaker colour, either not q…

The garment suspected of being tainted with leprosy was not to be burned immediately. If, upon inspection, a leprous spot was found, it must be bur…