Moot Green vs Poison Green

How close are they?

ΔE 22.0, loose: different enough that you should pick on purpose. Poison Green is noticeably lighter, much more saturated than Moot Green.

Can I use Poison Green instead of Moot Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Poison Green is noticeably lighter, much more saturated than Moot Green.

Can I use Moot Green instead of Poison Green?

The same difference applies the other way round: Moot Green is noticeably darker, much 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.