Indanthrone Blue PB60 - Artist Grade Handmade Honey Based Watercolor Tube 15ml Sketch Books Red Ochre is still used

Red Ochre is still used by artists for its warm and earthy tones

001% of additional pigment was added

It is believed to have been discovered by Dutch traders in the late 1600s in Sri Lanka

Vine Black (PBk8 CI#77268)

If you use it in your watercolor

Indanthrone Blue PB60 - Artist Grade Handmade Honey Based Watercolor Tube 15ml Sketch Books Red Ochre is still usedPB60 CI#69800 (Indanthrone Blue) Series 4 Indanthrone Blue is classified as an organic vat pigment. It is a rich, deep blue with a subtly warm undertone. It has a transparent quality, making it excellent for glazing techniques with a non granulating texture in watercolor applications. Indanthrone was originally developed as a vat dye in the early 20th century by German chemical companies (around 1901). Vat dyes were known for exceptional fastness