Doombull Brown vs Sanguine Base

How close are they?

ΔE 8.6, close: similar, with a visible difference side by side. Sanguine Base is more saturated than Doombull Brown.

Can I use Sanguine Base instead of Doombull Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Sanguine Base is more saturated than Doombull Brown.

Can I use Doombull Brown instead of Sanguine Base?

The same difference applies the other way round: Doombull Brown is more muted.

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.