ΔE 8.7, close: similar, with a visible difference side by side. Screaming Bell is a little lighter, more saturated than Rusty Brass.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Screaming Bell is a little lighter, more saturated than Rusty Brass.
The same difference applies the other way round: Rusty Brass is a little darker, 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 Rusty Brass on the colour wheel See Screaming Bell on the colour wheel
All matches: Rusty Brass equivalents · Screaming Bell equivalents