Omega Blue vs Scinari Blue

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. Scinari Blue is a little lighter, more saturated than Omega Blue.

Can I use Scinari Blue instead of Omega Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Scinari Blue is a little lighter, more saturated than Omega Blue.

Can I use Omega Blue instead of Scinari Blue?

The same difference applies the other way round: Omega Blue is a little darker, 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.