Gauss Blaster Green vs Cobalt Teal

How close are they?

ΔE 20.6, loose: different enough that you should pick on purpose. Cobalt Teal is more saturated, cooler than Gauss Blaster Green.

Can I use Cobalt Teal instead of Gauss Blaster Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Cobalt Teal is more saturated, cooler than Gauss Blaster Green.

Can I use Gauss Blaster Green instead of Cobalt Teal?

The same difference applies the other way round: Gauss Blaster 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.