ΔE 10.7, fair: the same colour family, but not a straight swap. Continental Blue is a little lighter than Kasrkin Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Continental Blue is a little lighter than Kasrkin Green.
The same difference applies the other way round: Kasrkin Green is a little darker.
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 Kasrkin Green on the colour wheel See Continental Blue on the colour wheel
All matches: Kasrkin Green equivalents · Continental Blue equivalents