ΔE 14.6, fair: the same colour family, but not a straight swap. Gauss Blaster Green is a little darker, cooler than Light Gray Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Gauss Blaster Green is a little darker, cooler than Light Gray Green.
The same difference applies the other way round: Light Gray Green is a little lighter, 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 Light Gray Green on the colour wheel See Gauss Blaster Green on the colour wheel
All matches: Light Gray Green equivalents · Gauss Blaster Green equivalents