Turnbull Turquoise vs Graphite Grey

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Graphite Grey is more muted than Turnbull Turquoise.

Can I use Graphite Grey instead of Turnbull Turquoise?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Graphite Grey is more muted than Turnbull Turquoise.

Can I use Turnbull Turquoise instead of Graphite Grey?

The same difference applies the other way round: Turnbull Turquoise 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.