ΔE 11.1, fair: the same colour family, but not a straight swap. Caliban Green is a little darker, more muted, cooler than Hellgrün / Chromate Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Caliban Green is a little darker, more muted, cooler than Hellgrün / Chromate Green.
The same difference applies the other way round: Hellgrün / Chromate Green is a little lighter, more saturated, 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 Hellgrün / Chromate Green on the colour wheel See Caliban Green on the colour wheel
All matches: Hellgrün / Chromate Green equivalents · Caliban Green equivalents