Cryx Bane Base vs Interior Green

How close are they?

ΔE 16.6, loose: different enough that you should pick on purpose. Interior Green is noticeably lighter, more saturated, warmer than Cryx Bane Base.

Can I use Interior Green instead of Cryx Bane Base?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Interior Green is noticeably lighter, more saturated, warmer than Cryx Bane Base.

Can I use Cryx Bane Base instead of Interior Green?

The same difference applies the other way round: Cryx Bane Base is noticeably darker, 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.