ΔE 5.3, very close: most people won’t see a difference side by side. Caribbean Turquoise is more saturated, cooler than Turnbull Turquoise.
Yes, for most jobs. Very close match (ΔE 5). Caribbean Turquoise is more saturated, cooler than Turnbull Turquoise.
The same difference applies the other way round: Turnbull Turquoise is more muted, 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.
See Turnbull Turquoise on the colour wheel See Caribbean Turquoise on the colour wheel
All matches: Turnbull Turquoise equivalents · Caribbean Turquoise equivalents