ΔE 9.5, close: similar, with a visible difference side by side. Ungor Flesh is a little darker, more muted than British Sand Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Ungor Flesh is a little darker, more muted than British Sand Yellow.
The same difference applies the other way round: British Sand Yellow is a little lighter, more saturated.
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 British Sand Yellow on the colour wheel See Ungor Flesh on the colour wheel
All matches: British Sand Yellow equivalents · Ungor Flesh equivalents