Desert Yellow vs US Earth Yellow

How close are they?

ΔE 9.3, close: similar, with a visible difference side by side. US Earth Yellow is a little darker, more muted, warmer than Desert Yellow.

Can I use US Earth Yellow instead of Desert Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). US Earth Yellow is a little darker, more muted, warmer than Desert Yellow.

Can I use Desert Yellow instead of US Earth Yellow?

The same difference applies the other way round: Desert Yellow is a little lighter, more saturated, 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.