Abyss Blue vs Altdorf Guard Blue

How close are they?

ΔE 9.8, close: similar, with a visible difference side by side. Altdorf Guard Blue is a little lighter, more saturated than Abyss Blue.

Can I use Altdorf Guard Blue instead of Abyss Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Altdorf Guard Blue is a little lighter, more saturated than Abyss Blue.

Can I use Abyss Blue instead of Altdorf Guard Blue?

The same difference applies the other way round: Abyss 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.