ΔE 14.1, fair: the same colour family, but not a straight swap. Yellow FS33531 is a little lighter, cooler than Zamesi Desert.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Yellow FS33531 is a little lighter, cooler than Zamesi Desert.
The same difference applies the other way round: Zamesi Desert is a little darker, warmer.
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 Zamesi Desert on the colour wheel See Yellow FS33531 on the colour wheel
All matches: Zamesi Desert equivalents · Yellow FS33531 equivalents