ΔE 7.3, close: similar, with a visible difference side by side. Grey Green RLM74 is more muted than Field Grey Shadow FS-34086.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Grey Green RLM74 is more muted than Field Grey Shadow FS-34086.
The same difference applies the other way round: Field Grey Shadow FS-34086 is 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 Field Grey Shadow FS-34086 on the colour wheel See Grey Green RLM74 on the colour wheel
All matches: Field Grey Shadow FS-34086 equivalents · Grey Green RLM74 equivalents