Green Hell vs Light Emerald

How close are they?

ΔE 13.4, fair: the same colour family, but not a straight swap. Light Emerald is a little lighter, cooler than Green Hell.

Can I use Light Emerald instead of Green Hell?

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

Can I use Green Hell instead of Light Emerald?

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