ΔE 8.3, close: similar, with a visible difference side by side. Park Green Flat is warmer than Arphen Jade.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Park Green Flat is warmer than Arphen Jade.
The same difference applies the other way round: Arphen Jade is 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 Arphen Jade on the colour wheel See Park Green Flat on the colour wheel
All matches: Arphen Jade equivalents · Park Green Flat equivalents