ΔE 5.9, very close: most people won’t see a difference side by side. Deck Tan is a little darker, warmer than Ruins Grey.
Yes, for most jobs. Very close match (ΔE 6). Deck Tan is a little darker, warmer than Ruins Grey.
The same difference applies the other way round: Ruins Grey is a little lighter, 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 Ruins Grey on the colour wheel See Deck Tan on the colour wheel
All matches: Ruins Grey equivalents · Deck Tan equivalents