ΔE 7.1, close: similar, with a visible difference side by side. Pearl Green is warmer than Amulet Aqua. They are different kinds of paint: Army Painter Amulet Aqua is an opaque base/layer paint and Tamiya Pearl Green is a pearl 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 7). Pearl Green is warmer than Amulet Aqua. They are different kinds of paint.
The same difference applies the other way round: Amulet 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 Amulet Aqua on the colour wheel See Pearl Green on the colour wheel
All matches: Amulet Aqua equivalents · Pearl Green equivalents