IJA #7 Ohryuko Nana Go Shoku (Olive Brown) vs Helmet Brown

How close are they?

ΔE 4.9, very close: most people won’t see a difference side by side. Helmet Brown is cooler than IJA #7 Ohryuko Nana Go Shoku (Olive Brown).

Can I use Helmet Brown instead of IJA #7 Ohryuko Nana Go Shoku (Olive Brown)?

Yes, for most jobs. Very close match (ΔE 5). Helmet Brown is cooler than IJA #7 Ohryuko Nana Go Shoku (Olive Brown).

Can I use IJA #7 Ohryuko Nana Go Shoku (Olive Brown) instead of Helmet Brown?

The same difference applies the other way round: IJA #7 Ohryuko Nana Go Shoku (Olive Brown) is 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.