Necron Compound vs Bitz O'Tin

How close are they?

ΔE 11.4, fair: the same colour family, but not a straight swap. Bitz O'Tin is more saturated than Necron Compound.

Can I use Bitz O'Tin instead of Necron Compound?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Bitz O'Tin is more saturated than Necron Compound.

Can I use Necron Compound instead of Bitz O'Tin?

The same difference applies the other way round: Necron Compound is more muted.

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.