ΔE 13.5, fair: the same colour family, but not a straight swap. Eshin Grey is a little lighter, much more muted than Shadow Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Eshin Grey is a little lighter, much more muted than Shadow Grey.
The same difference applies the other way round: Shadow Grey is a little darker, much 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 Shadow Grey on the colour wheel See Eshin Grey on the colour wheel
All matches: Shadow Grey equivalents · Eshin Grey equivalents