ΔE 10.2, fair: the same colour family, but not a straight swap. Ironbreaker is a little darker, more saturated than Polished Silver.
✓ Herrick Games paint comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Ironbreaker is a little darker, more saturated than Polished Silver.
The same difference applies the other way round: Polished Silver is a little lighter, 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.
See Polished Silver on the colour wheel See Ironbreaker on the colour wheel
All matches: Polished Silver equivalents · Ironbreaker equivalents