Amethyst Rose vs Sanguine Base

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. Sanguine Base is more saturated than Amethyst Rose.

Can I use Sanguine Base instead of Amethyst Rose?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sanguine Base is more saturated than Amethyst Rose.

Can I use Amethyst Rose instead of Sanguine Base?

The same difference applies the other way round: Amethyst Rose is 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.