ΔE 9.8, close: similar, with a visible difference side by side. Hazardous Smog is a little lighter, more saturated, warmer than Jade Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Hazardous Smog is a little lighter, more saturated, warmer than Jade Green.
The same difference applies the other way round: Jade Green is a little darker, 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 Jade Green on the colour wheel See Hazardous Smog on the colour wheel
All matches: Jade Green equivalents · Hazardous Smog equivalents