Reflective Green vs Cam. Middle Brown

How close are they?

ΔE 7.9, close: similar, with a visible difference side by side. Cam. Middle Brown is a little lighter, warmer than Reflective Green.

Can I use Cam. Middle Brown instead of Reflective Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Cam. Middle Brown is a little lighter, warmer than Reflective Green.

Can I use Reflective Green instead of Cam. Middle Brown?

The same difference applies the other way round: Reflective Green 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.