ΔE 5.5, very close: most people won’t see a difference side by side. Arctic Blue (Metal.) is a little darker than Interference Green (Fine). They are different kinds of paint: Golden Interference Green (Fine) is a pearl paint and Vallejo Arctic Blue (Metal.) is a metallic, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 5). Arctic Blue (Metal.) is a little darker than Interference Green (Fine). They are different kinds of paint.
The same difference applies the other way round: Interference Green (Fine) 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 Interference Green (Fine) on the colour wheel See Arctic Blue (Metal.) on the colour wheel
All matches: Interference Green (Fine) equivalents · Arctic Blue (Metal.) equivalents