Dark Drab vs Dark Camo Green

How close are they?

ΔE 6.8, close: similar, with a visible difference side by side. Dark Camo Green is a little lighter, warmer than Dark Drab.

Can I use Dark Camo Green instead of Dark Drab?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Dark Camo Green is a little lighter, warmer than Dark Drab.

Can I use Dark Drab instead of Dark Camo Green?

The same difference applies the other way round: Dark Drab is a little darker, cooler.

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.