82nd All the Way vs US Olive Drab

How close are they?

ΔE 6.2, close: similar, with a visible difference side by side. US Olive Drab is a little darker than 82nd All the Way.

Can I use US Olive Drab instead of 82nd All the Way?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). US Olive Drab is a little darker than 82nd All the Way.

Can I use 82nd All the Way instead of US Olive Drab?

The same difference applies the other way round: 82nd All the Way is a little lighter.

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.