Graveyard Earth vs Ger. Yellow Brown

How close are they?

ΔE 9.7, close: similar, with a visible difference side by side. Ger. Yellow Brown is a little lighter, cooler than Graveyard Earth.

Can I use Ger. Yellow Brown instead of Graveyard Earth?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Ger. Yellow Brown is a little lighter, cooler than Graveyard Earth.

Can I use Graveyard Earth instead of Ger. Yellow Brown?

The same difference applies the other way round: Graveyard Earth is a little darker, 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.