Green Hell vs Sybarite Green

How close are they?

ΔE 12.5, fair: the same colour family, but not a straight swap. Sybarite Green is a little lighter, more saturated than Green Hell.

Can I use Sybarite Green instead of Green Hell?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Sybarite Green is a little lighter, more saturated than Green Hell.

Can I use Green Hell instead of Sybarite Green?

The same difference applies the other way round: Green Hell is a little darker, more muted.

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.