ΔE 4.6, very close: most people won’t see a difference side by side. Silver RLM01 (Met.) is a little darker than Pearl White. They are different kinds of paint: Reaper Pearl White is a pearl paint and Vallejo Silver RLM01 (Met.) is a metallic, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 5). Silver RLM01 (Met.) is a little darker than Pearl White. They are different kinds of paint.
The same difference applies the other way round: Pearl White is a little lighter.
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 Pearl White on the colour wheel See Silver RLM01 (Met.) on the colour wheel
All matches: Pearl White equivalents · Silver RLM01 (Met.) equivalents