ΔE 7.5, close: similar, with a visible difference side by side. Graphite Green is a little darker, more muted than Burnt Moss.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Graphite Green is a little darker, more muted than Burnt Moss.
The same difference applies the other way round: Burnt Moss is a little lighter, more saturated.
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 Burnt Moss on the colour wheel See Graphite Green on the colour wheel
All matches: Burnt Moss equivalents · Graphite Green equivalents