ΔE 8.6, close: similar, with a visible difference side by side. Ghost Green is a little lighter, more saturated than Pale Grey (RLM 76).
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Ghost Green is a little lighter, more saturated than Pale Grey (RLM 76).
The same difference applies the other way round: Pale Grey (RLM 76) is a little darker, more muted.
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 Pale Grey (RLM 76) on the colour wheel See Ghost Green on the colour wheel
All matches: Pale Grey (RLM 76) equivalents · Ghost Green equivalents