Shadow Red vs Chalice Red

How close are they?

ΔE 10.9, fair: the same colour family, but not a straight swap. Chalice Red is a little lighter, more muted, warmer than Shadow Red.

Can I use Chalice Red instead of Shadow Red?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Chalice Red is a little lighter, more muted, warmer than Shadow Red.

Can I use Shadow Red instead of Chalice Red?

The same difference applies the other way round: Shadow Red is a little darker, more saturated, cooler.

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.