Sacred Scarlet vs Sanguinem Red

How close are they?

ΔE 7.9, close: similar, with a visible difference side by side. Sanguinem Red is more muted than Sacred Scarlet. They are different kinds of paint: Army Painter Sacred Scarlet is an opaque base/layer paint and Green Stuff World Sanguinem Red is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.

Can I use Sanguinem Red instead of Sacred Scarlet?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sanguinem Red is more muted than Sacred Scarlet. They are different kinds of paint.

Can I use Sacred Scarlet instead of Sanguinem Red?

The same difference applies the other way round: Sacred Scarlet is more saturated.

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.