ΔE 17.7, loose: different enough that you should pick on purpose. Chromium Oxide Green is a little lighter, much more saturated, cooler than Mid DAK Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Chromium Oxide Green is a little lighter, much more saturated, cooler than Mid DAK Green.
The same difference applies the other way round: Mid DAK Green is a little darker, much more muted, warmer.
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 Mid DAK Green on the colour wheel See Chromium Oxide Green on the colour wheel
All matches: Mid DAK Green equivalents · Chromium Oxide Green equivalents