ΔE 13.6, fair: the same colour family, but not a straight swap. Mossy Green is a little lighter, much more muted, warmer than Light Jade Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Mossy Green is a little lighter, much more muted, warmer than Light Jade Green.
The same difference applies the other way round: Light Jade Green is a little darker, much more saturated, 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 Light Jade Green on the colour wheel See Mossy Green on the colour wheel
All matches: Light Jade Green equivalents · Mossy Green equivalents