ΔE 7.6, close: similar, with a visible difference side by side. Eshin Grey is more muted than French Greyish Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Eshin Grey is more muted than French Greyish Blue.
The same difference applies the other way round: French Greyish Blue 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 French Greyish Blue on the colour wheel See Eshin Grey on the colour wheel
All matches: French Greyish Blue equivalents · Eshin Grey equivalents