ΔE 8.5, close: similar, with a visible difference side by side. Turquoise (Phthalo) is more saturated, warmer than Commando Green. They are different kinds of paint: Army Painter Commando Green is an opaque base/layer paint and Golden Turquoise (Phthalo) is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Turquoise (Phthalo) is more saturated, warmer than Commando Green. They are different kinds of paint.
The same difference applies the other way round: Commando Green 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 Commando Green on the colour wheel See Turquoise (Phthalo) on the colour wheel
All matches: Commando Green equivalents · Turquoise (Phthalo) equivalents