Bootstrap Leather vs Ochre Brown

How close are they?

ΔE 8.5, close: similar, with a visible difference side by side. Ochre Brown is a little lighter than Bootstrap Leather.

Can I use Ochre Brown instead of Bootstrap Leather?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Ochre Brown is a little lighter than Bootstrap Leather.

Can I use Bootstrap Leather instead of Ochre Brown?

The same difference applies the other way round: Bootstrap Leather is a little darker.

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.