ΔE 13.5, fair: the same colour family, but not a straight swap. Skeleton Legion is noticeably darker, more saturated, warmer than Skeleton Bone.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Skeleton Legion is noticeably darker, more saturated, warmer than Skeleton Bone.
The same difference applies the other way round: Skeleton Bone is noticeably lighter, 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 Skeleton Bone on the colour wheel See Skeleton Legion on the colour wheel
All matches: Skeleton Bone equivalents · Skeleton Legion equivalents