ΔE 6.8, close: similar, with a visible difference side by side. Green RLM73 is a little lighter, more muted than Italian Green Camo.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Green RLM73 is a little lighter, more muted than Italian Green Camo.
The same difference applies the other way round: Italian Green Camo is a little darker, 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 Italian Green Camo on the colour wheel See Green RLM73 on the colour wheel
All matches: Italian Green Camo equivalents · Green RLM73 equivalents