Ryza Rust vs Saffron Sunset

How close are they?

ΔE 7.9, close: similar, with a visible difference side by side. Saffron Sunset is more saturated than Ryza Rust.

Can I use Saffron Sunset instead of Ryza Rust?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Saffron Sunset is more saturated than Ryza Rust.

Can I use Ryza Rust instead of Saffron Sunset?

The same difference applies the other way round: Ryza Rust is 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.