Magenta vs Sunset Red

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. Sunset Red is noticeably darker, more saturated than Magenta.

Can I use Sunset Red instead of Magenta?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Sunset Red is noticeably darker, more saturated than Magenta.

Can I use Magenta instead of Sunset Red?

The same difference applies the other way round: Magenta is noticeably 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.