Yellow Dune vs Sulfide Yellow

How close are they?

ΔE 8.0, close: similar, with a visible difference side by side. Sulfide Yellow is more saturated, warmer than Yellow Dune.

Can I use Sulfide Yellow instead of Yellow Dune?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sulfide Yellow is more saturated, warmer than Yellow Dune.

Can I use Yellow Dune instead of Sulfide Yellow?

The same difference applies the other way round: Yellow Dune is 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.