ΔE 10.9, fair: the same colour family, but not a straight swap. Silver RLM01 (Met.) is noticeably lighter than Metallic Silver (Chrome).
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Silver RLM01 (Met.) is noticeably lighter than Metallic Silver (Chrome).
The same difference applies the other way round: Metallic Silver (Chrome) 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.
See Metallic Silver (Chrome) on the colour wheel See Silver RLM01 (Met.) on the colour wheel
All matches: Metallic Silver (Chrome) equivalents · Silver RLM01 (Met.) equivalents