ΔE 14.4, fair: the same colour family, but not a straight swap. Skeleton Horde is a little darker, more muted, warmer than Maggot Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Skeleton Horde is a little darker, more muted, warmer than Maggot Skin.
The same difference applies the other way round: Maggot Skin is a little lighter, more saturated, 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 Maggot Skin on the colour wheel See Skeleton Horde on the colour wheel
All matches: Maggot Skin equivalents · Skeleton Horde equivalents