ΔE 18.5, loose: different enough that you should pick on purpose. Gauss Blaster Green is noticeably lighter, much more muted than Turquoise Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Gauss Blaster Green is noticeably lighter, much more muted than Turquoise Green.
The same difference applies the other way round: Turquoise Green is noticeably darker, much 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 Turquoise Green on the colour wheel See Gauss Blaster Green on the colour wheel
All matches: Turquoise Green equivalents · Gauss Blaster Green equivalents