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