ΔE 11.9, fair: the same colour family, but not a straight swap. Cayman Green is a little lighter, warmer than Yellow Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Cayman Green is a little lighter, warmer than Yellow Green.
The same difference applies the other way round: Yellow Green is a little 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 Yellow Green on the colour wheel See Cayman Green on the colour wheel
All matches: Yellow Green equivalents · Cayman Green equivalents