ΔE 10.0, close: similar, with a visible difference side by side. Deep Yellow is more saturated, cooler than Pure Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Deep Yellow is more saturated, cooler than Pure Yellow.
The same difference applies the other way round: Pure Yellow is more muted, warmer.
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 Pure Yellow on the colour wheel See Deep Yellow on the colour wheel
All matches: Pure Yellow equivalents · Deep Yellow equivalents