ΔE 10.9, fair: the same colour family, but not a straight swap. Hammered Copper is a little darker, more saturated than Pale Silver.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Hammered Copper is a little darker, more saturated than Pale Silver.
The same difference applies the other way round: Pale 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 Pale Silver on the colour wheel See Hammered Copper on the colour wheel
All matches: Pale Silver equivalents · Hammered Copper equivalents