ΔE 10.1, fair: the same colour family, but not a straight swap. Deck Grey is more muted, cooler than Leopard Stone Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Deck Grey is more muted, cooler than Leopard Stone Skin.
The same difference applies the other way round: Leopard Stone Skin is more saturated, 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 Leopard Stone Skin on the colour wheel See Deck Grey on the colour wheel
All matches: Leopard Stone Skin equivalents · Deck Grey equivalents