ΔE 7.2, close: similar, with a visible difference side by side. Bone White is a little lighter, more saturated, warmer than Bone.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bone White is a little lighter, more saturated, warmer than Bone.
The same difference applies the other way round: Bone is a little darker, 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 Bone on the colour wheel See Bone White on the colour wheel
All matches: Bone equivalents · Bone White equivalents