Blackroot Grey vs Black Green

How close are they?

ΔE 8.9, close: similar, with a visible difference side by side. Black Green is more saturated than Blackroot Grey.

Can I use Black Green instead of Blackroot Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Black Green is more saturated than Blackroot Grey.

Can I use Blackroot Grey instead of Black Green?

The same difference applies the other way round: Blackroot Grey is more muted.

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.