Blood Chalice vs Primaris Red

How close are they?

ΔE 14.3, fair: the same colour family, but not a straight swap. Primaris Red is more saturated, warmer than Blood Chalice.

Can I use Primaris Red instead of Blood Chalice?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Primaris Red is more saturated, warmer than Blood Chalice.

Can I use Blood Chalice instead of Primaris Red?

The same difference applies the other way round: Blood Chalice is more muted, 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.