Light Brown vs Camou. Grey Green

How close are they?

ΔE 7.8, close: similar, with a visible difference side by side. Camou. Grey Green is a little darker, more muted, cooler than Light Brown.

Can I use Camou. Grey Green instead of Light Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Camou. Grey Green is a little darker, more muted, cooler than Light Brown.

Can I use Light Brown instead of Camou. Grey Green?

The same difference applies the other way round: Light Brown is a little lighter, more saturated, warmer.

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.