Color Swatch created using heavy application/diluted application and was applied on cold press watercolor paper (150 lb) material.
This color contains the following pigments:
PY139—Isoindolinone Yellow
Pigment Type
organic, azomethine
Chemical Name
n/a
Chemical Formula
C16H19N5O6
Properties
Isoindolinone Yellow is a new-generation organic pigment that has a very high tinting strength and average drying time.
Permanence
Isoindolinone Yellow has excellent lightfastness.
Toxicity
Isoindolinone Yellow is not considered toxic.
History
The first isoindolinone pigments were patented in 1946, and commercial production of pigments in this group began in the 1960s. Several isoindolinone yellow pigments are available.
Alternate Names
Isoindoline.
PO49—Quinacridone Gold
Pigment Type
organic, quinacridone
Chemical Name
n/a
Chemical Formula
n/a
Properties
Quinacridone Gold is a transparent yellow-orange pigment. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colors are often expensive, because more pigment is required in the formulation.
Permanence
Quinacridone Gold has very good lightfastness.
Toxicity
n/a
History
Quinacridone Gold, a color developed for the automotive industry, is no longer being manufactured. Some color producers still have stocks of the pigment.
Alternate Names
Quinacridone Sienna.
