ΔE 10.8, fair: the same colour family, but not a straight swap. Light Blue is a little lighter, more muted, cooler than Toxic Mist.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Light Blue is a little lighter, more muted, cooler than Toxic Mist.
The same difference applies the other way round: Toxic Mist is a little darker, 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 Toxic Mist on the colour wheel See Light Blue on the colour wheel
All matches: Toxic Mist equivalents · Light Blue equivalents