Imrik Blue vs Mediterranean Blue

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Mediterranean Blue is more saturated than Imrik Blue.

Can I use Mediterranean Blue instead of Imrik Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Mediterranean Blue is more saturated than Imrik Blue.

Can I use Imrik Blue instead of Mediterranean Blue?

The same difference applies the other way round: Imrik Blue is more muted.

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.