Toxic Mist vs Arcane Blue

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. Arcane Blue is noticeably lighter, more muted than Toxic Mist.

Can I use Arcane Blue instead of Toxic Mist?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Arcane Blue is noticeably lighter, more muted than Toxic Mist.

Can I use Toxic Mist instead of Arcane Blue?

The same difference applies the other way round: Toxic Mist is noticeably darker, 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.