ΔE 8.2, close: similar, with a visible difference side by side. Blue Green is a little darker, warmer than Phthalo Turquoise Light.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Blue Green is a little darker, warmer than Phthalo Turquoise Light.
The same difference applies the other way round: Phthalo Turquoise Light is a little lighter, 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 Phthalo Turquoise Light on the colour wheel See Blue Green on the colour wheel
All matches: Phthalo Turquoise Light equivalents · Blue Green equivalents