ΔE 15.6, loose: different enough that you should pick on purpose. Gauss Blaster Green is more saturated, cooler than Sky Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Gauss Blaster Green is more saturated, cooler than Sky Green.
The same difference applies the other way round: Sky Green is more muted, 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 Sky Green on the colour wheel See Gauss Blaster Green on the colour wheel
All matches: Sky Green equivalents · Gauss Blaster Green equivalents