Azo Condensation Yellow, sometimes called Transparent Brilliant Yellow or Polyazo yellow. This is a transparent yellow worth getting to know though lightfastness is not perfect (7's and 8's on the Blue Wool Scale). It is a little bit difficult to find a good lightfast transparent yellow at this hue- Artiscreation suggests that perhaps it is an alternative to historical Cobalt Yellow or Aureolin.
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Azo Condensation Yellow
PY128
Pigment Description
Resources
PY128 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
General information about this class of pigments from Handprint,
Stats
Lightfastness
Excellent to Very Good
Slight fall-off in tints (7’s on the BWS)
Transparency
Transparent
Transparent
Toxicity
Thought to be in the category of Lower Concern
Treat all pigments and paints with studio safety protocols.
Dry Time
Slow
Some paintmakers report 6-18 days dry time
Dry Pigments listing PY128
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