Boot Brown vs Oxide Brown Dark

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Oxide Brown Dark is a little lighter, more saturated, cooler than Boot Brown.

Can I use Oxide Brown Dark instead of Boot Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Oxide Brown Dark is a little lighter, more saturated, cooler than Boot Brown.

Can I use Boot Brown instead of Oxide Brown Dark?

The same difference applies the other way round: Boot Brown is a little darker, more muted, 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.