Dark Umber vs Leather Brown

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Leather Brown is a little lighter, more muted, warmer than Dark Umber.

Can I use Leather Brown instead of Dark Umber?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Leather Brown is a little lighter, more muted, warmer than Dark Umber.

Can I use Dark Umber instead of Leather Brown?

The same difference applies the other way round: Dark Umber is a little darker, more saturated, 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.