Pure Yellow vs Golden Griffon

How close are they?

ΔE 9.4, close: similar, with a visible difference side by side. Golden Griffon is a little darker, more muted than Pure Yellow.

Can I use Golden Griffon instead of Pure Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Golden Griffon is a little darker, more muted than Pure Yellow.

Can I use Pure Yellow instead of Golden Griffon?

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