Blushing Rose vs Faded Red

How close are they?

ΔE 9.5, close: similar, with a visible difference side by side. Faded Red is a little darker, more saturated than Blushing Rose.

Can I use Faded Red instead of Blushing Rose?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Faded Red is a little darker, more saturated than Blushing Rose.

Can I use Blushing Rose instead of Faded Red?

The same difference applies the other way round: Blushing Rose is a little lighter, 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.