Ghostly Green vs Poisonous Cloud

How close are they?

ΔE 13.4, fair: the same colour family, but not a straight swap. Poisonous Cloud is a little darker, more saturated than Ghostly Green.

Can I use Poisonous Cloud instead of Ghostly Green?

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

Can I use Ghostly Green instead of Poisonous Cloud?

The same difference applies the other way round: Ghostly Green is a little lighter, 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.