ΔE 15.8, loose: different enough that you should pick on purpose. Gauss Blaster Green is a little lighter, more saturated, cooler than Interior Light Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Gauss Blaster Green is a little lighter, more saturated, cooler than Interior Light Green.
The same difference applies the other way round: Interior Light Green is a little darker, 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 Interior Light Green on the colour wheel See Gauss Blaster Green on the colour wheel
All matches: Interior Light Green equivalents · Gauss Blaster Green equivalents