ΔE 13.5, fair: the same colour family, but not a straight swap. Grey Green is noticeably lighter than 82nd All the Way.
Can I use Grey Green instead of 82nd All the Way?
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Grey Green is noticeably lighter than 82nd All the Way.
Can I use 82nd All the Way instead of Grey Green?
The same difference applies the other way round: 82nd All the Way is noticeably darker.
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.