Khorne Red vs Hastur Purple

How close are they?

ΔE 12.2, fair: the same colour family, but not a straight swap. Hastur Purple is a little lighter, cooler than Khorne Red.

Can I use Hastur Purple instead of Khorne Red?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Hastur Purple is a little lighter, cooler than Khorne Red.

Can I use Khorne Red instead of Hastur Purple?

The same difference applies the other way round: Khorne Red is a little darker, 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.