ΔE 14.0, fair: the same colour family, but not a straight swap. Olive Green is much more muted than Archaic Turquoise.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Olive Green is much more muted than Archaic Turquoise.
The same difference applies the other way round: Archaic Turquoise is 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 Archaic Turquoise on the colour wheel See Olive Green on the colour wheel
All matches: Archaic Turquoise equivalents · Olive Green equivalents