ΔE 12.4, fair: the same colour family, but not a straight swap. Desert Yellow is a little darker, more muted than Iroko.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Desert Yellow is a little darker, more muted than Iroko.
The same difference applies the other way round: Iroko 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 Iroko on the colour wheel See Desert Yellow on the colour wheel
All matches: Iroko equivalents · Desert Yellow equivalents