ΔE 12.0, fair: the same colour family, but not a straight swap. Hellbound Flesh is a little darker, more muted than Leviathan Light.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Hellbound Flesh is a little darker, more muted than Leviathan Light.
The same difference applies the other way round: Leviathan Light is a little lighter, more saturated.
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 Leviathan Light on the colour wheel See Hellbound Flesh on the colour wheel
All matches: Leviathan Light equivalents · Hellbound Flesh equivalents