Slaughter Red vs Sigvald Burgundy

How close are they?

ΔE 22.6, loose: different enough that you should pick on purpose. Sigvald Burgundy is a little darker, much more muted, cooler than Slaughter Red.

Can I use Sigvald Burgundy instead of Slaughter Red?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Sigvald Burgundy is a little darker, much more muted, cooler than Slaughter Red.

Can I use Slaughter Red instead of Sigvald Burgundy?

The same difference applies the other way round: Slaughter Red is a little lighter, much 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.