ΔE 8.3, close: similar, with a visible difference side by side. Yellow Oxide is a little darker than Yellow Dune. They are different kinds of paint: Army Painter Yellow Dune is an opaque base/layer paint and Golden Yellow Oxide is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Yellow Oxide is a little darker than Yellow Dune. They are different kinds of paint.
The same difference applies the other way round: Yellow Dune is a little lighter.
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 Yellow Dune on the colour wheel See Yellow Oxide on the colour wheel
All matches: Yellow Dune equivalents · Yellow Oxide equivalents