Caspian Flesh Wash vs Sepia Wash

How close are they?

ΔE 9.2, close: similar, with a visible difference side by side. Sepia Wash is more muted than Caspian Flesh Wash.

Can I use Sepia Wash instead of Caspian Flesh Wash?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Sepia Wash is more muted than Caspian Flesh Wash.

Can I use Caspian Flesh Wash instead of Sepia Wash?

The same difference applies the other way round: Caspian Flesh Wash is more saturated.

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.