ΔE 10.3, fair: the same colour family, but not a straight swap. IJA Grey Green is a little darker, cooler than Bare Bone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). IJA Grey Green is a little darker, cooler than Bare Bone.
The same difference applies the other way round: Bare Bone is a little lighter, 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 Bare Bone on the colour wheel See IJA Grey Green on the colour wheel
All matches: Bare Bone equivalents · IJA Grey Green equivalents