Canopy Green vs Lime Green

How close are they?

ΔE 21.5, loose: different enough that you should pick on purpose. Lime Green is noticeably darker, more muted, cooler than Canopy Green.

Can I use Lime Green instead of Canopy Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Lime Green is noticeably darker, more muted, cooler than Canopy Green.

Can I use Canopy Green instead of Lime Green?

The same difference applies the other way round: Canopy 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.