Obsidian Pigment Toner vs Blackroot Grey

How close are they?

ΔE 11.3, fair: the same colour family, but not a straight swap. Blackroot Grey is more muted than Obsidian Pigment Toner.

Can I use Blackroot Grey instead of Obsidian Pigment Toner?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Blackroot Grey is more muted than Obsidian Pigment Toner.

Can I use Obsidian Pigment Toner instead of Blackroot Grey?

The same difference applies the other way round: Obsidian Pigment Toner is more saturated.

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.