ΔE 14.2, fair: the same colour family, but not a straight swap. Bright Orange is a little lighter, more saturated, warmer than Hellspawn Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Bright Orange is a little lighter, more saturated, warmer than Hellspawn Red.
The same difference applies the other way round: Hellspawn Red is a little 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 Hellspawn Red on the colour wheel See Bright Orange on the colour wheel
All matches: Hellspawn Red equivalents · Bright Orange equivalents