Color Swatch created using heavy application/diluted application and was applied on cold press watercolor paper (150 lb) material.
Color Description
Gold Brown is a warm reddish-yellow brown from two modern, organic pigments. Schmincke rates it 3 stars out of 5 for lightfastness. It is semi-opaque and semi-staining.
This color contains the following pigments:
PY65—Hansa Yellow
Pigment Type
monoazo
Chemical Name
n/a
Chemical Formula
C18H18N4O6
Properties
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.
Permanence
This Hansa Yellow has excellent lightfastness, particularly in the darker shades.
Toxicity
Hansa Yellow has no significant acute hazards, though its chronic hazards have not been well studied.
History
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.
Alternate Names
Arylide, Arylide Yellow, Azo, Brilliant Yellow, Monoazo, Monolite Yellow, Permanent Yellow.
PBr41—Pigment Brown 41
Pigment Type
organic, disazo condensation
Chemical Name
disazo condensation brown
Chemical Formula
n/a
Properties
Pigment Brown 41 offers good covering strength and medium tinting strength. It is transparent and heavily staining. These properties are ideal for watercolor painting, where a transparent brown has traditionally been achieved by mixing other pigments.
Permanence
Pigment Brown 41 has very good to excellent lightfastness.
Toxicity
Although no acute toxic effects are known, possible hazards of chronic exposure have not been well studied.
History
Pigment Brown 41 has been used to color paints and plastics. It one of a series of disazo condensation pigments synthesized and commercialized late in the 20th century.
Alternate Names
n/a
