ΔE 10.6, fair: the same colour family, but not a straight swap. Light Green Grey is a little darker, more muted than Bone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Light Green Grey is a little darker, more muted than Bone.
The same difference applies the other way round: Bone 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 Bone on the colour wheel See Light Green Grey on the colour wheel
All matches: Bone equivalents · Light Green Grey equivalents