Pacific Green vs Green Sky

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Green Sky is noticeably darker, cooler than Pacific Green.

Can I use Green Sky instead of Pacific Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Green Sky is noticeably darker, cooler than Pacific Green.

Can I use Pacific Green instead of Green Sky?

The same difference applies the other way round: Pacific Green is noticeably lighter, 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.