ΔE 10.5, fair: the same colour family, but not a straight swap. Hay Color is a little darker, warmer than Light DAK Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Hay Color is a little darker, warmer than Light DAK Green.
The same difference applies the other way round: Light DAK Green is a little lighter, 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 Light DAK Green on the colour wheel See Hay Color on the colour wheel
All matches: Light DAK Green equivalents · Hay Color equivalents