ΔE 7.2, close: similar, with a visible difference side by side. Pale Blue is more muted, cooler than Light Grey Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Pale Blue is more muted, cooler than Light Grey Green.
The same difference applies the other way round: Light Grey Green is more saturated, 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 Light Grey Green on the colour wheel See Pale Blue on the colour wheel
All matches: Light Grey Green equivalents · Pale Blue equivalents