ΔE 14.6, fair: the same colour family, but not a straight swap. Hellspawn Red is noticeably lighter, more saturated, warmer than True Blood.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Hellspawn Red is noticeably lighter, more saturated, warmer than True Blood.
The same difference applies the other way round: True Blood is noticeably darker, 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.
See True Blood on the colour wheel See Hellspawn Red on the colour wheel
All matches: True Blood equivalents · Hellspawn Red equivalents