Skarsnik Green vs Green FS34227

How close are they?

ΔE 15.5, loose: different enough that you should pick on purpose. Green FS34227 is a little darker, more muted, cooler than Skarsnik Green.

Can I use Green FS34227 instead of Skarsnik Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Green FS34227 is a little darker, more muted, cooler than Skarsnik Green.

Can I use Skarsnik Green instead of Green FS34227?

The same difference applies the other way round: Skarsnik 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.