Tinmetal Grey vs Silver RLM01 (Met.)

How close are they?

ΔE 21.1, loose: different enough that you should pick on purpose. Silver RLM01 (Met.) is noticeably lighter, more muted than Tinmetal Grey.

Can I use Silver RLM01 (Met.) instead of Tinmetal Grey?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Silver RLM01 (Met.) is noticeably lighter, more muted than Tinmetal Grey.

Can I use Tinmetal Grey instead of Silver RLM01 (Met.)?

The same difference applies the other way round: Tinmetal Grey is noticeably darker, more saturated.

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.