Calgar Blue vs True Blue

How close are they?

ΔE 13.2, fair: the same colour family, but not a straight swap. True Blue is a little lighter, more muted, cooler than Calgar Blue.

Can I use True Blue instead of Calgar Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). True Blue is a little lighter, more muted, cooler than Calgar Blue.

Can I use Calgar Blue instead of True Blue?

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