Utrecht Artists' Oil Paint - Greenish Umber, 37 ml tube
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WARNING: THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING LEAD, WHICH ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM. FOR MORE INFORMATION GO TO WWW.P65WARNINGS.CA.GOV.
Products bearing the CL seal of the Art & Creative Materials Institute ("Caution Label") contain ingredients that are toxic or hazardous, but when used in properly supervised and controlled conditions, they can be enjoyed with complete safety.
Products bearing the CL seal of The Art & Creative Materials Institute (“Caution Label”) contain ingredients that are toxic or hazardous, but can still be safely used in controlled environments if directions on the container or packaging are followed. See Health and Safety for further information.
Product Details
- Description:
- Artists' Oil
- Color:
- Greenish Umber
- Size:
- 37 ml (1.25 oz)
- Format:
- Tube
Colors on Monitors -
Due to differences in users’ monitors, the colors presented are an approximation of the true color.
Reviews
Pigment Information
This color contains the following pigments:
PBk11-Mars Black
PB27-Hooker’s Green
PBr7-Burnt Sienna
Pigment Name
PBk11-Mars Black
Pigment Type
earth
Chemical Name
iron oxides
Chemical Formula
FeO or Fe2O3
Properties
Mars Black is an opaque black with a strong and cool masstone, a slightly warm tint, and a warm brown undertone. It is not as black as Ivory Black, but it dries more quickly and has three times the tinting strength. Mars Black is normally the only black available in acrylic form and that is safe to over paint. It can be used in all media without reservation and is widely used as an alternative to Lamp Black and Ivory Black.
Permanence
Mars Black is very lightfast with excellent permanence.
Toxicity
Mars Black has no significant hazards and is the only major black pigment considered non-toxic.
History
The word Mars refers to the Roman god of iron and war. Mars Black was developed in the early 20th century from inorganic, synthetic iron oxide.
Pigment Name
PB27-Hooker’s Green
Pigment Type
mix of organic pigments
Chemical Formula
C30H18FeN3O6Na
Properties
Hooker’s Green is a bright olive-green often sold in a yellowish shade and a bluish shade. Its transparency can range from dull and dark to bright and light because lightness and chroma vary based on manufacturer. Modern varieties have a rich, dark tone that provides a great range when mixing. Hooker’s Green is particularly good for landscape painting when a larger range of foliage is required. Dioxazine Violet is the best mixing compliment in watercolor form.
Permanence
The permanence and lightfastness of Hooker’s Green varies by brand. As a composite pigment historically mixed from Prussian Blue and Gamboge, its permanence is only fair. Modern replacements for Hooker's Green tend to be mixed with components that have more permanence, such as Phthalocyanine Green, Burnt Umber, and sometimes Hansa or Cobalt Yellow.
Toxicity
Hooker’s Green can be hazardous, but the toxicity level depends on the specific pigments used by each individual manufacturer or brand.
History
This pigment was originally an unreliable mix of Prussian or Iron Blue and Gamboge. Later, it became a more reliable mix of Cadmium Yellow and Phthalo Blue or Green. It was a staple green for 19th century landscape and botanical painters. Most modern Hooker’s Green paints are yellow greens with a hue angle around 140, or a mix of Phthalo Green and Burnt Umber.
Pigment Name
PBr7-Burnt Sienna
Pigment Type
earth
Chemical Name
iron oxides
Chemical Formula
Fe2O3
Properties
Burnt Sienna is a warm, mid-brown color formed by burning the yellow-brown limonite clay called Raw Sienna. It ranges from semi-opaque to semi-transparent due to the combination of its opaque, red-brown mass tone and its transparent, orangey undertone. It is an excellent mixing complement for blues and greens and creates salmon or peach colored tints when mixed with white. It can be useful for subduing bright colors and does not get chalky in dark mixtures.
Permanence
Burnt Sienna has good permanence and is considered one of the most versatile of the permanent pigments.
Toxicity
Burnt Sienna has no significant hazards.
History
Burnt Sienna has been used as a pigment since prehistoric times, but its current name came about during the Renaissance. It comes from the city of Siena, in Italy, and is short for terra di Siena, meaning earth of Siena. Sienna was famous for the mining and production of earth pigments from the Renaissance until World War II. Due to the depletion of clay deposits in Tuscany, Italian siennas now come from other areas, including Sicily and Sardinia.
Safety Data Sheet
UPC Code: 655802100580