ΔE 11.2, fair: the same colour family, but not a straight swap. Splinter Green is cooler than RAL 6011B Resedagrün.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Splinter Green is cooler than RAL 6011B Resedagrün.
The same difference applies the other way round: RAL 6011B Resedagrün is warmer.
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 RAL 6011B Resedagrün on the colour wheel See Splinter Green on the colour wheel
All matches: RAL 6011B Resedagrün equivalents · Splinter Green equivalents