Zamesi Desert vs Yellow Oxide

How close are they?

ΔE 6.4, close: similar, with a visible difference side by side. Yellow Oxide is more muted than Zamesi Desert.

Can I use Yellow Oxide instead of Zamesi Desert?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Yellow Oxide is more muted than Zamesi Desert.

Can I use Zamesi Desert instead of Yellow Oxide?

The same difference applies the other way round: Zamesi Desert is 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.