ΔE 7.3, close: similar, with a visible difference side by side. Hanpu Beige is a little darker, cooler than Old Bone.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Hanpu Beige is a little darker, cooler than Old Bone.
The same difference applies the other way round: Old 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 Old Bone on the colour wheel See Hanpu Beige on the colour wheel
All matches: Old Bone equivalents · Hanpu Beige equivalents