Adriatic Blue vs Light Blue Green

How close are they?

ΔE 7.4, close: similar, with a visible difference side by side. Light Blue Green is more muted, warmer than Adriatic Blue.

Can I use Light Blue Green instead of Adriatic Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Light Blue Green is more muted, warmer than Adriatic Blue.

Can I use Adriatic Blue instead of Light Blue Green?

The same difference applies the other way round: Adriatic Blue is more saturated, cooler.

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.