Blockx Artists' Watercolor - Payne's Gray, 15 ml tube
Watercolor
Recorded retailer price · not live
$15.50
Blick Art Materials · recorded Oct 21, 2026, 8:06 AM UTC
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Product details
- Size
- 15 ml
- Blick SKU
- 01706-2560
About this product range
These artist grade watercolors continue the Blockx family legacy that began in 1865. They are made using the same processes developed many years ago.
Only the finest ingredients go into the manufacture of Blockx watercolors. Rare, tough pigments are ground slowly and repeatedly on stone mills to achieve the optimum particle size, and to eliminate overheating and iron pollution. The pigments are then blended with pure, light gum Arabic, honey made from selected flowers, and chemically pure glycerin and water.
The result is a variety of stable, transparent colors with wonderful working properties.
Pigment information
General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.
Mars Black
- Pigment code
- PBk11
- 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.
- Description
- Black Iron Oxide, Iron Black, Magnetic Oxide, Mapico Black, Mineral Black. Sometimes labeled as Vine Black.
Phthalo Blue
- Pigment code
- PB15:1
- Type
- organic
- Chemical name
- alpha copper phthalocyanine
- Chemical formula
- C32H16CuN8
- Properties
- Phthalo Blue PB15:1 is a structural variant of Phthalo Blue PB15 that produces more reddish tones.
- Permanence
- Phthalo Blues are completely lightfast and stable and are permanent for all paint uses. They are currently used in inks, coatings, and many plastics due to their stability and are considered a standard pigment in printing ink and the packaging industry.
- Toxicity
- Phthalo Blues have no significant hazards, although those made before 1982 contained some PCBs (polychlorinated biphenyls).
- History
- Developed by chemists using the trade name Monastral Blue, the organic blue dyestuff now known as Phthalo Blue was presented as a pigment in November 1935 in London. Its discovery was accidental. The dark color was observed in a kettle where a dye was being made from a British dyestuff plant. The demand for such a pigment came from commercial printers who wanted a cyan to replace Prussian Blue.
- Description
- Phthalo Blue Red Shade, Winsor Blue Red Shade
Ultramarine [Blue]
- Pigment code
- PB29
- Type
- inorganic
- Chemical name
- complex silicate of sodium and aluminum with sulfur
- Chemical formula
- Na8-10Al6Si6O24S2-4 or Na6-8Al6Si6O24S2-4
- Properties
- Ultramarine is the standard warm blue, a brilliant blue pigment that has the most purple and least green in its undertone. It has a moderate to high tinting strength and a beautiful transparency. Synthetic Ultramarine is not as vivid a blue as natural Ultramarine. Ultramarine dries slowly in oil and tends to produce clean, though granular, washes in watercolor. French Ultramarine mixes well with Alizarin colors in oil and watercolor form to create a range of purples and violets. It can dull when mixed with white in acrylic form, but mixes well with other colors. The shade varies based on manufacturer. Considered a great color for glazes, it is not suitable for frescoing.
- Permanence
- Ultramarine has excellent permanence, although synthetic Ultramarine is not as permanent as natural Ultramarine. It may discolor if exposed to acid because of its sulfuric content.
- Toxicity
- Ultramarine has no significant hazards.
- History
- The name for this pigment comes from the Middle Latin ultra, meaning beyond, and mare, meaning sea, because it was imported from Asia to Europe by sea. It is a prominent component of lapis lazuli and was used on Asian temples starting in the 6th century. It was one of the most expensive pigments in 16th century Europe, worth twice its weight in gold, and so was used sparingly and when commissions were larger. Ultramarine is currently imitated by a process invented in France in 1826 by Jean Baptiste Guimet, making blue affordable to artists and extending the range of colors on their palettes.
- Description
- Artificial Ultramarine, French Blue, French Ultramarine, Gmelin's Blue, Guimet's Blue, Permanent Blue, Royal Blue, Synthetic Ultramarine. New Blue describes particular shades of Ultramarine. Armenian Blue and Lazuline Blue are names for genuine Lapiz Ultramarine. Sky Blue is a pale tone of Ultramarine.
Related supplies
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- Blockx Artists' Watercolor - Titianium White, 15 ml Tube
- Blockx Artists' Watercolor - Zinc White, 15 ml tube
- Blockx Artists' Watercolor - Lamp Black, 15 ml Tube
- Blockx Artists' Watercolor - Ivory Black, 15 ml tube
- Blockx Artists' Watercolor - Neutral Tint, 15 ml tube
- Blockx Artists' Watercolor - Light Red, 15 ml tube
- Blockx Artists' Watercolor - Magenta, 15 ml tube
- Blockx Artists' Watercolor - Transparent Mars Red, 15 ml Tube
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