Skorne Red vs Sunset Red

How close are they?

ΔE 23.3, loose: different enough that you should pick on purpose. Sunset Red is a little lighter, more muted, cooler than Skorne Red.

Can I use Sunset Red instead of Skorne Red?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Sunset Red is a little lighter, more muted, cooler than Skorne Red.

Can I use Skorne Red instead of Sunset Red?

The same difference applies the other way round: Skorne Red is a little darker, more saturated, warmer.

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.