ΔE 8.1, close: similar, with a visible difference side by side. Teal is warmer than Aegis Aqua. They are different kinds of paint: Army Painter Aegis Aqua is an opaque base/layer paint and Golden Teal 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 8). Teal is warmer than Aegis Aqua. They are different kinds of paint.
The same difference applies the other way round: Aegis Aqua is 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 Aegis Aqua on the colour wheel See Teal on the colour wheel
All matches: Aegis Aqua equivalents · Teal equivalents