Sotek Green vs Coal Black

How close are they?

ΔE 22.7, loose: different enough that you should pick on purpose. Coal Black is noticeably darker, more muted, cooler than Sotek Green.

Can I use Coal Black instead of Sotek Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Coal Black is noticeably darker, more muted, cooler than Sotek Green.

Can I use Sotek Green instead of Coal Black?

The same difference applies the other way round: Sotek Green is noticeably 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.