Crystal Blue vs Azurite Hue

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. Azurite Hue is a little darker, more muted than Crystal Blue.

Can I use Azurite Hue instead of Crystal Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Azurite Hue is a little darker, more muted than Crystal Blue.

Can I use Crystal Blue instead of Azurite Hue?

The same difference applies the other way round: Crystal Blue is a little lighter, more saturated.

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.