2 different recipes. Brands sell different pigment mixtures under this name, so they won't all look or mix alike. Compare the pigments below; the most common is PR101 Red Iron Oxide.
Who makes it
PR101 Red Iron Oxide3
- Holbein Artists' Oil Color No. H361
- Rembrandt Artists' Oil Colour No. 426
Pigments unconfirmed1
- Pigments unconfirmedLF – Transparent40 ml tube · 175 ml tube · 16 fl oz can* · 128 fl oz can*About Vasari
Sizes are the ones each line is sold in; marks a size only some colors come in. Check the store for a particular color.