ΔE 9.8, close: similar, with a visible difference side by side. Citrine Yellow is a little lighter, more muted than Charming Chartreuse. They are different kinds of paint: Army Painter Charming Chartreuse is a one-coat contrast-style paint and Green Stuff World Citrine Yellow 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 10). Citrine Yellow is a little lighter, more muted than Charming Chartreuse. They are different kinds of paint.
The same difference applies the other way round: Charming Chartreuse is a little darker, more saturated.
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 Charming Chartreuse on the colour wheel See Citrine Yellow on the colour wheel
All matches: Charming Chartreuse equivalents · Citrine Yellow equivalents