ΔE 7.5, close: similar, with a visible difference side by side. Golden Griffon is a little darker than Matt Hazelnut. They are different kinds of paint: AMMO by Mig Matt Hazelnut is an ink, glaze or transparent paint and Citadel Golden Griffon is an opaque base/layer 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 7). Golden Griffon is a little darker than Matt Hazelnut. They are different kinds of paint.
The same difference applies the other way round: Matt Hazelnut 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 Matt Hazelnut on the colour wheel See Golden Griffon on the colour wheel
All matches: Matt Hazelnut equivalents · Golden Griffon equivalents