ΔE 6.2, close: similar, with a visible difference side by side. Iraqi Sand is a little darker than Dark Yellow Sandy Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Iraqi Sand is a little darker than Dark Yellow Sandy Yellow.
The same difference applies the other way round: Dark Yellow Sandy 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 Dark Yellow Sandy Yellow on the colour wheel See Iraqi Sand on the colour wheel
All matches: Dark Yellow Sandy Yellow equivalents · Iraqi Sand equivalents