ΔE 8.7, close: similar, with a visible difference side by side. Light Aircraft Gray BS381C/627 is cooler than Light Feldgrau.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Light Aircraft Gray BS381C/627 is cooler than Light Feldgrau.
The same difference applies the other way round: Light Feldgrau is 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 Feldgrau on the colour wheel See Light Aircraft Gray BS381C/627 on the colour wheel
All matches: Light Feldgrau equivalents · Light Aircraft Gray BS381C/627 equivalents