ΔE 13.3, fair: the same colour family, but not a straight swap. Stormvermin Fur is noticeably darker, more muted, warmer than IJA #30 Karekusa iro (Dry Grass).
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Stormvermin Fur is noticeably darker, more muted, warmer than IJA #30 Karekusa iro (Dry Grass).
The same difference applies the other way round: IJA #30 Karekusa iro (Dry Grass) is noticeably lighter, more saturated, 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.
See IJA #30 Karekusa iro (Dry Grass) on the colour wheel See Stormvermin Fur on the colour wheel
All matches: IJA #30 Karekusa iro (Dry Grass) equivalents · Stormvermin Fur equivalents