ΔE 9.9, close: similar, with a visible difference side by side. Yellow Brown is a little darker, more muted, cooler than Charred Bone.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Yellow Brown is a little darker, more muted, cooler than Charred Bone.
The same difference applies the other way round: Charred Bone is a little lighter, more saturated, 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 Charred Bone on the colour wheel See Yellow Brown on the colour wheel
All matches: Charred Bone equivalents · Yellow Brown equivalents