ΔE 33.9, loose: different enough that you should pick on purpose. Glitter Green is much more saturated, warmer than Astral Beryllium.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 34). Glitter Green is much more saturated, warmer than Astral Beryllium.
The same difference applies the other way round: Astral Beryllium is much 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 Astral Beryllium on the colour wheel See Glitter Green on the colour wheel
All matches: Astral Beryllium equivalents · Glitter Green equivalents