Wizards Orb vs Chrome Oxide Green

How close are they?

ΔE 17.8, loose: different enough that you should pick on purpose. Chrome Oxide Green is a little darker, warmer than Wizards Orb.

Can I use Chrome Oxide Green instead of Wizards Orb?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Chrome Oxide Green is a little darker, warmer than Wizards Orb.

Can I use Wizards Orb instead of Chrome Oxide Green?

The same difference applies the other way round: Wizards Orb is a little lighter, 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.