Alpha Blue vs Imrik Blue

How close are they?

ΔE 12.5, fair: the same colour family, but not a straight swap. Imrik Blue is a little darker, more saturated, cooler than Alpha Blue.

Can I use Imrik Blue instead of Alpha Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Imrik Blue is a little darker, more saturated, cooler than Alpha Blue.

Can I use Alpha Blue instead of Imrik Blue?

The same difference applies the other way round: Alpha Blue is a little lighter, more muted, warmer.

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.