ΔE 5.3, very close: most people won’t see a difference side by side. IJA Light Grey Green is more saturated, cooler than Ruins Grey.
Yes, for most jobs. Very close match (ΔE 5). IJA Light Grey Green is more saturated, cooler than Ruins Grey.
The same difference applies the other way round: Ruins Grey is more muted, 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.
See Ruins Grey on the colour wheel See IJA Light Grey Green on the colour wheel
All matches: Ruins Grey equivalents · IJA Light Grey Green equivalents