Obsidian Skin vs Drab Brown

How close are they?

ΔE 12.5, fair: the same colour family, but not a straight swap. Drab Brown is a little lighter, more saturated than Obsidian Skin.

Can I use Drab Brown instead of Obsidian Skin?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Drab Brown is a little lighter, more saturated than Obsidian Skin.

Can I use Obsidian Skin instead of Drab Brown?

The same difference applies the other way round: Obsidian Skin is a little darker, more muted.

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.