Kossite Flesh Wash vs Sepia Wash

How close are they?

ΔE 8.8, close: similar, with a visible difference side by side. Sepia Wash is a little darker, more muted than Kossite Flesh Wash.

Can I use Sepia Wash instead of Kossite Flesh Wash?

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

Can I use Kossite Flesh Wash instead of Sepia Wash?

The same difference applies the other way round: Kossite Flesh Wash is a little lighter, 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.