ΔE 11.7, fair: the same colour family, but not a straight swap. Dark Yellow is a little lighter, more muted, warmer than Ordic Olive.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Dark Yellow is a little lighter, more muted, warmer than Ordic Olive.
The same difference applies the other way round: Ordic Olive is a little darker, more saturated, cooler.
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 Ordic Olive on the colour wheel See Dark Yellow on the colour wheel
All matches: Ordic Olive equivalents · Dark Yellow equivalents