ΔE 9.9, close: similar, with a visible difference side by side. Desert Yellow is a little lighter, more saturated, warmer than Chromate Yellow Primer FS33481.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Desert Yellow is a little lighter, more saturated, warmer than Chromate Yellow Primer FS33481.
The same difference applies the other way round: Chromate Yellow Primer FS33481 is a little darker, more muted, cooler.
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 Chromate Yellow Primer FS33481 on the colour wheel See Desert Yellow on the colour wheel
All matches: Chromate Yellow Primer FS33481 equivalents · Desert Yellow equivalents