Midnight Olive vs N2 Neutral Gray

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. N2 Neutral Gray is a little lighter, more muted than Midnight Olive.

Can I use N2 Neutral Gray instead of Midnight Olive?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). N2 Neutral Gray is a little lighter, more muted than Midnight Olive.

Can I use Midnight Olive instead of N2 Neutral Gray?

The same difference applies the other way round: Midnight Olive is a little darker, more saturated.

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.