Nuln Oil vs Black Wash

How close are they?

ΔE 33.0, loose: different enough that you should pick on purpose. Black Wash is noticeably lighter than Nuln Oil.

✓ Herrick Games paint comparison chart lists these two as equivalents.

Can I use Black Wash instead of Nuln Oil?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 33). Black Wash is noticeably lighter than Nuln Oil.

Can I use Nuln Oil instead of Black Wash?

The same difference applies the other way round: Nuln Oil is noticeably darker.

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.