Wood vs US Earth Red

How close are they?

ΔE 6.5, close: similar, with a visible difference side by side. US Earth Red is more saturated, warmer than Wood.

Can I use US Earth Red instead of Wood?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). US Earth Red is more saturated, warmer than Wood.

Can I use Wood instead of US Earth Red?

The same difference applies the other way round: Wood is more muted, 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.