ΔE 8.6, close: similar, with a visible difference side by side. Orange Magma is a little lighter than Orange. They are different kinds of paint: AMMO by Mig Orange is an ink, glaze or transparent paint and Army Painter Orange Magma 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 9). Orange Magma is a little lighter than Orange. They are different kinds of paint.
The same difference applies the other way round: Orange is a little darker.
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 Orange on the colour wheel See Orange Magma on the colour wheel
All matches: Orange equivalents · Orange Magma equivalents