ΔE 6.7, close: similar, with a visible difference side by side. Ushabti Bone is a little darker than Dunkelgelb DG III.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Ushabti Bone is a little darker than Dunkelgelb DG III.
The same difference applies the other way round: Dunkelgelb DG III is a little lighter.
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 Dunkelgelb DG III on the colour wheel See Ushabti Bone on the colour wheel
All matches: Dunkelgelb DG III equivalents · Ushabti Bone equivalents