Azurite Hue vs Andrea Blue

How close are they?

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

Can I use Andrea Blue instead of Azurite Hue?

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

Can I use Azurite Hue instead of Andrea Blue?

The same difference applies the other way round: Azurite Hue 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.