ΔE 9.4, close: similar, with a visible difference side by side. Transparent Green is a little darker, warmer than Pharaoh Guard. They are different kinds of paint: Army Painter Pharaoh Guard is an opaque base/layer paint and Pro Acryl Transparent Green 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). Transparent Green is a little darker, warmer than Pharaoh Guard. They are different kinds of paint.
The same difference applies the other way round: Pharaoh Guard 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 Pharaoh Guard on the colour wheel See Transparent Green on the colour wheel
All matches: Pharaoh Guard equivalents · Transparent Green equivalents