ΔE 9.6, close: similar, with a visible difference side by side. Jade Green is a little darker than Aquamarine.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Jade Green is a little darker than Aquamarine.
The same difference applies the other way round: Aquamarine 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 Aquamarine on the colour wheel See Jade Green on the colour wheel
All matches: Aquamarine equivalents · Jade Green equivalents