ΔE 8.8, close: similar, with a visible difference side by side. Mossy Green is cooler than Rotten Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Mossy Green is cooler than Rotten Green.
The same difference applies the other way round: Rotten Green is warmer.
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 Rotten Green on the colour wheel See Mossy Green on the colour wheel
All matches: Rotten Green equivalents · Mossy Green equivalents