Russian Green 4BO vs Helmet Brown

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. Helmet Brown is more muted than Russian Green 4BO.

Can I use Helmet Brown instead of Russian Green 4BO?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Helmet Brown is more muted than Russian Green 4BO.

Can I use Russian Green 4BO instead of Helmet Brown?

The same difference applies the other way round: Russian Green 4BO is more saturated.

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.