Dark Shadow Flesh vs Gal Vorbak Red

How close are they?

ΔE 9.7, close: similar, with a visible difference side by side. Gal Vorbak Red is more saturated, cooler than Dark Shadow Flesh.

Can I use Gal Vorbak Red instead of Dark Shadow Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Gal Vorbak Red is more saturated, cooler than Dark Shadow Flesh.

Can I use Dark Shadow Flesh instead of Gal Vorbak Red?

The same difference applies the other way round: Dark Shadow Flesh is 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.