Garaghak's Sewer vs Orc Skin

How close are they?

ΔE 10.5, fair: the same colour family, but not a straight swap. Orc Skin is a little darker, cooler than Garaghak's Sewer.

Can I use Orc Skin instead of Garaghak's Sewer?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Orc Skin is a little darker, cooler than Garaghak's Sewer.

Can I use Garaghak's Sewer instead of Orc Skin?

The same difference applies the other way round: Garaghak's Sewer is a little lighter, 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.