Every brand makes it with the same pigments: PB60 Indanthrone Blue.
Who makes it
- Grumbacher Pre-Tested Artists' Oil No. P109
- Williamsburg Handmade Oil Colors No. 6000985PB60LF I Semi-transparentSeries 737 ml tube · 150 ml tube · 8 fl oz can* · 16 fl oz can*About Williamsburg
- PB60LF I TransparentSeries 640 ml tube · 110 ml tube · 300 ml tube · 1000 ml tin · 4000 ml tinAbout Langridge
Sizes are the ones each line is sold in; marks a size only some colors come in. Check the store for a particular color.