ΔE 7.1, close: similar, with a visible difference side by side. Dark Rust is more muted, warmer than Blanched Berry.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Dark Rust is more muted, warmer than Blanched Berry.
The same difference applies the other way round: Blanched Berry is more saturated, cooler.
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 Blanched Berry on the colour wheel See Dark Rust on the colour wheel
All matches: Blanched Berry equivalents · Dark Rust equivalents