82nd All the Way vs US Earth Brown

How close are they?

ΔE 6.7, close: similar, with a visible difference side by side. US Earth Brown is a little darker than 82nd All the Way.

Can I use US Earth Brown instead of 82nd All the Way?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). US Earth Brown is a little darker than 82nd All the Way.

Can I use 82nd All the Way instead of US Earth Brown?

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.