ΔE 9.7, close: similar, with a visible difference side by side. Metallic Green is a little lighter, more saturated than Glittering Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Metallic Green is a little lighter, more saturated than Glittering Green.
The same difference applies the other way round: Glittering Green is a little darker, more muted.
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 Glittering Green on the colour wheel See Metallic Green on the colour wheel
All matches: Glittering Green equivalents · Metallic Green equivalents