Benzimidiazolone Yellow
A bright middle yellow. Exercise a note of caution as the lightfastness can vary.

PY120 by Old Holland, Scheveningen Yellow Medium
This is a somewhat rare pigment which appears to be in use by one paintmaker.

An impasto stroke of Old Holland Scheveningen Yellow Medium, PY120 in oils
The lightfastness of PY120 may be questionable, and Bruce MacEvoy describes it as "impermanent".
PY120 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
Information about PY120 from Bruce MacEvoy, Handprint Guide to Watercolors, General information about this class of pigments from Handprint,
Varies considerably
Some report solidly highest marks for this pigment, however the 1980s versions of this pigment examined in the NPIRI tests only listed indoor exposure values. In watercolor, it fared poorly in Bruce MacEvoy’s tests.
Semi-Opaque, Semi-Transparent
Lower Concern
Treat all pigments and paints with studio safety protocols.
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