Every brand makes it with the same pigments: PB29 Ultramarine Blue.
Who makes it
- PB29LF I Semi-transparentSeries 240 ml tube · 150 ml tube · 300 ml cartridge · 500 ml tin · 1000 ml tin* · 4000 ml tin*About Art Spectrum
- Vasari Classic Artists' Oil Colors Ultramarine Blue, Green Shade
Sizes are the ones each line is sold in; marks a size only some colors come in. Check the store for a particular color.