ΔE 13.1, fair: the same colour family, but not a straight swap. AMT-12 Dark Grey is a little darker than 82nd All the Way.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). AMT-12 Dark Grey is a little darker than 82nd All the Way.
The same difference applies the other way round: 82nd All the Way is a little lighter.
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 82nd All the Way on the colour wheel See AMT-12 Dark Grey on the colour wheel
All matches: 82nd All the Way equivalents · AMT-12 Dark Grey equivalents