ΔE 10.2, fair: the same colour family, but not a straight swap. Hammerfall Khaki is more saturated, cooler than Skeleton Bone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Hammerfall Khaki is more saturated, cooler than Skeleton Bone.
The same difference applies the other way round: Skeleton Bone is more muted, warmer.
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 Hammerfall Khaki on the colour wheel
All matches: Skeleton Bone equivalents · Hammerfall Khaki equivalents