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