ΔE 13.7, fair: the same colour family, but not a straight swap. Toxic Yellow is noticeably lighter, warmer than Khaki Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Toxic Yellow is noticeably lighter, warmer than Khaki Green.
The same difference applies the other way round: Khaki Green is noticeably darker, 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 Khaki Green on the colour wheel See Toxic Yellow on the colour wheel
All matches: Khaki Green equivalents · Toxic Yellow equivalents