ΔE 16.1, loose: different enough that you should pick on purpose. Green FS34227 is a little lighter, more muted, cooler than Warboss Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Green FS34227 is a little lighter, more muted, cooler than Warboss Green.
The same difference applies the other way round: Warboss Green is a little darker, more saturated, 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 Warboss Green on the colour wheel See Green FS34227 on the colour wheel
All matches: Warboss Green equivalents · Green FS34227 equivalents