ΔE 16.8, loose: different enough that you should pick on purpose. Light Green (Yellow Shade) is a little lighter, cooler than Charming Chartreuse. They are different kinds of paint: Army Painter Charming Chartreuse is a one-coat contrast-style paint and Golden Light Green (Yellow Shade) is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Light Green (Yellow Shade) is a little lighter, cooler than Charming Chartreuse. They are different kinds of paint.
The same difference applies the other way round: Charming Chartreuse is a little darker, warmer.
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 Light Green (Yellow Shade) on the colour wheel
All matches: Charming Chartreuse equivalents · Light Green (Yellow Shade) equivalents