ΔE 11.1, fair: the same colour family, but not a straight swap. Frozen Flesh is a little darker, more muted, cooler than Night Blood.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Frozen Flesh is a little darker, more muted, cooler than Night Blood.
The same difference applies the other way round: Night Blood is a little lighter, 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.
See Night Blood on the colour wheel See Frozen Flesh on the colour wheel
All matches: Night Blood equivalents · Frozen Flesh equivalents