ΔE 16.0, loose: different enough that you should pick on purpose. Disgusting Slime is a little darker, much more saturated than Matt Light Green. They are different kinds of paint: AMMO by Mig Matt Light Green is an ink, glaze or transparent paint and Army Painter Disgusting Slime is an opaque base/layer 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 16). Disgusting Slime is a little darker, much more saturated than Matt Light Green. They are different kinds of paint.
The same difference applies the other way round: Matt Light Green is a little lighter, much more muted.
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 Matt Light Green on the colour wheel See Disgusting Slime on the colour wheel
All matches: Matt Light Green equivalents · Disgusting Slime equivalents