Bosh Chestnut vs US Earth Red

How close are they?

ΔE 7.6, close: similar, with a visible difference side by side. US Earth Red is more muted, cooler than Bosh Chestnut.

Can I use US Earth Red instead of Bosh Chestnut?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). US Earth Red is more muted, cooler than Bosh Chestnut.

Can I use Bosh Chestnut instead of US Earth Red?

The same difference applies the other way round: Bosh Chestnut is 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.