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:
PR149—Perylene Red
Pigment Type
organic, anthraquinone
Chemical Name
n/a
Chemical Formula
C40H26N2O6
Properties
Perylene Red is a moderately intense, semi-opaque, medium red pigment, appearing somewhere between a Cadmium Red and a Cadmium Deep Red hue. It has excellent brightness and tinting strength. Its partial transparency makes it useful as a glazing color.
Permanence
Perylene Red has good lightfastness and permanence. Its tints may darken after extended exposure to sunlight. It is not considered suitable for exterior use.
Toxicity
Perylene Red has no significant acute toxicity. Its long term hazards are currently unknown.
History
Perylenes have been used as vat dyes since 1912, but they were not manufactured and sold as pigments until 1957. For artists, they are a replacement for historic colors that were made with berries, and are significantly more lightfast.
Alternate Names
Perylene Scarlet
PR255—Coral Red
Pigment Type
organic
Chemical Name
n/a
Chemical Formula
n/a
Properties
Ciba describes PR255 as a yellowish red pigment with medium hiding power and excellent weather resistance, recommended for use in high grade decorative and industrial paints.
Permanence
Pigment Red 255 has excellent lightfastness and weatherfastness at full strength, and can be used for outdoor applications.
Toxicity
n/a
History
Pigment Red 255 has been used in paint, plastics, printing inks, and automotive finishes.
Alternate Names
Pyrrole Scarlet.