ΔE 8.3, close: similar, with a visible difference side by side. Turquoise is more saturated, warmer than Templar Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Turquoise is more saturated, warmer than Templar Blue.
The same difference applies the other way round: Templar Blue is more muted, cooler.
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 Templar Blue on the colour wheel See Turquoise on the colour wheel
All matches: Templar Blue equivalents · Turquoise equivalents