ΔE 9.3, close: similar, with a visible difference side by side. Olive Flesh is a little darker, more saturated, warmer than Bleached Bone.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Olive Flesh is a little darker, more saturated, warmer than Bleached Bone.
The same difference applies the other way round: Bleached Bone is a little 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 Bleached Bone on the colour wheel See Olive Flesh on the colour wheel
All matches: Bleached Bone equivalents · Olive Flesh equivalents