ΔE 19.2, loose: different enough that you should pick on purpose. Fenrisian Grey is more muted, cooler than Oozing Purple.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Fenrisian Grey is more muted, cooler than Oozing Purple.
The same difference applies the other way round: Oozing Purple is more saturated, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Oozing Purple on the colour wheel See Fenrisian Grey on the colour wheel
All matches: Oozing Purple equivalents · Fenrisian Grey equivalents