Mahogany Brown vs Sand Brown

How close are they?

ΔE 6.9, close: similar, with a visible difference side by side. Sand Brown is more muted, warmer than Mahogany Brown.

Can I use Sand Brown instead of Mahogany Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Sand Brown is more muted, warmer than Mahogany Brown.

Can I use Mahogany Brown instead of Sand Brown?

The same difference applies the other way round: Mahogany Brown is 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.