Verdigris vs Skarsnik Green

How close are they?

ΔE 21.3, loose: different enough that you should pick on purpose. Skarsnik Green is a little darker, more saturated, warmer than Verdigris.

Can I use Skarsnik Green instead of Verdigris?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Skarsnik Green is a little darker, more saturated, warmer than Verdigris.

Can I use Verdigris instead of Skarsnik Green?

The same difference applies the other way round: Verdigris is a little lighter, more muted, cooler.

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.