ΔE 20.3, loose: different enough that you should pick on purpose. Yellow Green is more muted, warmer than Warboss Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Yellow Green is more muted, warmer than Warboss Green.
The same difference applies the other way round: Warboss Green is 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 Warboss Green on the colour wheel See Yellow Green on the colour wheel
All matches: Warboss Green equivalents · Yellow Green equivalents