Rough Iron vs Holographic Paint

How close are they?

ΔE 12.4, fair: the same colour family, but not a straight swap. Holographic Paint is noticeably lighter than Rough Iron.

Can I use Holographic Paint instead of Rough Iron?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Holographic Paint is noticeably lighter than Rough Iron.

Can I use Rough Iron instead of Holographic Paint?

The same difference applies the other way round: Rough Iron is noticeably darker.

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.