PB15:4 CI#74160
60% of Peacock blue in a tube
Toxicity: Non-toxic
Lightfastness: 8/8
Drying time: Average
Color/ Tone: Cool, green-leaning blue
Transparency: Transparent—ideal for glazing
PB15:4)is a vibrant, cool blue pigment from the phthalocyanine family.
History:
In 1935, it was accidentally discovered by chemists at Scottish Dyes Ltd. while researching phthalocyanine dyes. In the 1940s–50s, it was rapidly adopted by artists as a superior alternative to Prussian Blue (PB27) and ultramarine.
Famous Works:
