IJA #21 Midori iro (Green) vs Elf Green

How close are they?

ΔE 4.8, very close: most people won’t see a difference side by side. Elf Green is a little lighter, warmer than IJA #21 Midori iro (Green).

Can I use Elf Green instead of IJA #21 Midori iro (Green)?

Yes, for most jobs. Very close match (ΔE 5). Elf Green is a little lighter, warmer than IJA #21 Midori iro (Green).

Can I use IJA #21 Midori iro (Green) instead of Elf Green?

The same difference applies the other way round: IJA #21 Midori iro (Green) is a little darker, 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.