ΔE 25.7, loose: different enough that you should pick on purpose. Teal is a little darker, much more muted, cooler than Hazardous Smog.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Teal is a little darker, much more muted, cooler than Hazardous Smog.
The same difference applies the other way round: Hazardous Smog is a little lighter, much more saturated, 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 Hazardous Smog on the colour wheel See Teal on the colour wheel
All matches: Hazardous Smog equivalents · Teal equivalents