ΔE 12.4, fair: the same colour family, but not a straight swap. Elixir Green is noticeably darker than Akhelian Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Elixir Green is noticeably darker than Akhelian Green.
The same difference applies the other way round: Akhelian Green is noticeably 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 Akhelian Green on the colour wheel See Elixir Green on the colour wheel
All matches: Akhelian Green equivalents · Elixir Green equivalents