ΔE 16.2, loose: different enough that you should pick on purpose. Glorious Gold is noticeably darker, more saturated, warmer than Interference Blue (Fine). They are different kinds of paint: Golden Interference Blue (Fine) is a pearl paint and Vallejo Glorious Gold is a metallic, so they won’t behave the same on the model even where the colour is close.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Glorious Gold is noticeably darker, more saturated, warmer than Interference Blue (Fine). They are different kinds of paint.
The same difference applies the other way round: Interference Blue (Fine) is noticeably lighter, more muted, cooler.
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 Blue (Fine) on the colour wheel See Glorious Gold on the colour wheel
All matches: Interference Blue (Fine) equivalents · Glorious Gold equivalents