Cobalt (A049)

ACMI Tox Rating: AP
CI Name: PB29
Chemical Description: Complex Silicate of Sodium and Aluminum with Sulfur
Lightfast Rating: I
STA/SED: -

Description: Consistent color for an economic price. A mid-range blue with weak tinting strength, high stability, and a slight warmth. Traditionally found in Chinese blue and white ceramics. Perfect for powdery tints, and subtle color mixes, this color is the workhorse of any traditional palette.

reference: www.grumbacherart.com