Misty Grey vs Slaanesh Grey

How close are they?

ΔE 12.6, fair: the same colour family, but not a straight swap. Slaanesh Grey is noticeably lighter, more saturated, warmer than Misty Grey.

Can I use Slaanesh Grey instead of Misty Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Slaanesh Grey is noticeably lighter, more saturated, warmer than Misty Grey.

Can I use Misty Grey instead of Slaanesh Grey?

The same difference applies the other way round: Misty Grey is noticeably darker, more muted, cooler.

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.