Marine Blue vs Violet Vamp

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Violet Vamp is more muted than Marine Blue.

Can I use Violet Vamp instead of Marine Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Violet Vamp is more muted than Marine Blue.

Can I use Marine Blue instead of Violet Vamp?

The same difference applies the other way round: Marine Blue 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.