This color contains the following pigments:
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.
Pigment Red 255 has excellent lightfastness and weatherfastness at full strength, and can be used for outdoor applications.
Pigment Red 255 has been used in paint, plastics, printing inks, and automotive finishes.
This Hansa Yellow ranges from reddish yellow to greenish yellow with temperature shifts from cool to warm hues. It has good tinting strength and average to slow drying time.
This Hansa Yellow has excellent lightfastness, particularly in the darker shades.
Hansa Yellow has no significant acute hazards, though its chronic hazards have not been well studied.
Hansa Yellows were first made in Germany just before WW1 from a series of synthetic dyestuffs called Pigment Yellow. They were intended to be a synthetic replacement for Cadmium Yellow.