Turquoise vs Obsidian Pigment Toner

How close are they?

ΔE 10.1, fair: the same colour family, but not a straight swap. Obsidian Pigment Toner is a little darker, more muted, cooler than Turquoise.

Can I use Obsidian Pigment Toner instead of Turquoise?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Obsidian Pigment Toner is a little darker, more muted, cooler than Turquoise.

Can I use Turquoise instead of Obsidian Pigment Toner?

The same difference applies the other way round: Turquoise is a little lighter, 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.