Search results for 'pigment'

** While stocks last ** Blue Verditer, sometimes referred to as Bremen Blue, is a synthetic form of Azurite, or copper-calcium carbonate. It has a weak tinting strength and is sligtly transparent. It works best in water-based binders, as the acidity of linseed oil can cause discolouration. 

Larger sizes available on request

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Cobalt Yellow Pigment, Aureolin (PY40). Synthetic Inorganic pigment (Potassium Cobaltinitrate). Transparent. Good tinting strength. Very good Lightfastness. Medium to high oil absorption. Suitable for all media except Lime-fresco. Used since mid 19th Century. Toxicity C.

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Toxicity: B

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PV15

Ultramarine Violet is a synthetic organic pigment that is produced by heating Ultramarine Blue with Ammonium Chloride, causing the removal of some of the sodium and sulphur and thus a change in colour. It is lightfast and semi-transparent, with a weak tinting strength. In oils, it dries quite slowly, forming a hard, flexible film.

Toxicity: B

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Viridian Green is a synthetic inorganic pigment, similar in composition to Chromium Oxide. However, unlike Chromium Oxide, Viridian contains water molecules within its crystal structure, imparting a greater degree of transparency. Sometimes referred to as Verte Eméraude, Viridian was discovered in France in 1838, patented in 1859, and made available in the UK in 1862. It is stable in all media, and offers excellent lightfastness and good tinting strength. It requires a high oil content, and dries slowly to form a hard, fairly flexible paint film.

Toxicity B

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PR106 Vermilion is an artificial pigment based on mercuric sulphide, which occurs naturally as Cinnabar. The synthetic form contains fewer impurities than Cinnabar, and was in use in China as early as the fourth century. It was present in Europe from the ninth century, and was the most widely used red pigment until the introduction of Cadmium Red in the early twentieth century. It has good tinting strength and opacity but, like many red pigments, it dries very slowly in oil media. Toxicity D. Larger sizes available on request. Domestic shipping only Learn More

PG19

Cobalt Green is a synthetic pigment that consists of compounds of cobalt and zinc oxides. It is sometimes referred to as Rinman's Green, after the Swedish chemist who discovered it in the late-18th century. It is a permanent, opaque colour, with a weak tinting strength. It dries quite quickly in oil, requiring a high oil content and  forming a hard, fairly fleixible paint film. Cobalt Green is available in light and dark shades; the colour is determined by the amount of zinc oxide present.

Toxicity: B

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Van Dyke Brown pigment is know for its poor lightfastness and instability in all mediums. Our Van Dyke Brown, also known as Cassel Earth, offers the same dark brown colour and transparency as the traditional pigment, but without the drawbacks usually associated with its longevity and use. It is made from lignite, or brown coal, from the Alsace region in France.

Toxicity: B

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Green Earth Light Pigment Learn More

PR83

Alizarin Crimson is a synthetic organic pigment that became available in 1868. It requires a wetting agent to disperse, and in oil it also absorbs a lot of liquid and dries very slowly to form a hard, brittle paint film. It is chemically identical to madder-root pigments and should be protected against UV light where possible as it can fade when applied onto a white ground, although it is less fugitive than its natural counterpart. Alizarin Crimson is a very transparent pigment, with a high tinting strength and slightly blue undertone.  

Toxicity: A/B

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Cobalt Violet Dark Pigment (PV14). Synthetic inorganic pigment. Semi-transparent. High tinting strength. Excellent Lightfastness. Low oil absorption with fast drying rate. All media including ceramics. Used since late 19th Century.

Limeproof

Toxicity: C

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English Red Light Pigment Learn More

Quinacridone Red Pigment (PV19). Organic pigment. Very transparent. High tinting strength. Excellent Lightfastness. High oil absorption with slow drying rate. Requires wetting agent. Suitable for all media. Developed in the 1950's. Toxicity A/B. Learn More

Malachite is a naturally occurring copper carbonate, closely related to Azurite. It has a weak tinting strength, is quite opaque, and works best in aqueous media. Larger sizes available on request. Learn More

Add Pigment Binding medium to dry or aqueously dispersed pigment to create acrylic colour. Learn More

NR9

The madder plant was once widely cultivated for the red dye extracted from its roots. Its earliest known use is in ancient Egypt, and there is evidence of its widespread adoption in Europe from the medieval period. Madder Lake, the pigment that is derived from the root, has now largely been replaced by synthetic alizarin pigments, but it is still used as an ingredient in some commercial paints. It provides a very transparent pigment, with a weak tinting strength, which can be used in all lime-free media, although it is very slow-drying in oil. It is fugitive to sunlight, so paintings containing Madder should be stored appropriately, but it remains one of the most lightfast plant-based pigments. 

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Chromium Oxide is a synthetic mixed-metal oxide pigment. It is stable in all media and has an average drying speed in oil, forming a hard, fairly flexible paint film. It is opaque, with a low tinting strength. It has been widely available since the mid-nineteenth century, following its introduction in 1809.

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PR108

Cadmium Red is a synthetic organic pigment that has been in use since the 1920s. It is formed by heating cadmium sulphide and selenium, the hue is determined by the level of calcination and proportion of selenium. It is very opaque, and lightfast, with a high tinting strength. It absorbs a small amount of oil, and dries very slowly to form a hard, flexible paint film. This shade has been formulated to imitate the bright hue of vermilion.

Larger quantities are available by request.  

Limeproof

Toxicity: C

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PB29

Ultramarine Blue is an artificial mineral pigment that is produced by heating clay, soda, sulphur and coal to high temperatures. Its name comes from outremer, or over-the-sea, as a reference to the highly-prized Lapis Lazuli pigment which had been imported into Europe from Afghanistan since the Middle Ages. First manufactured in France and Germany in 1828, synthetic Ultramarine provided a brilliant and affordable blue to artists, and it remains one of the most popular blues on artists' palettes today.

It is a transparent pigment, with a high tinting strength and excellent lightfastness. It reacts to alkali, therefore it is not suitable for use in lime-fresco; we do offer a Limeproof Ultramarine Blue for this purpose. It is stable in all other media, although it can be tricky to grind in oil. Instead of creating a thick, buttery paste, it can remain stringy and deteriorate when stored in a tube. To correct this, many commercial paint manufacturers include additives and waxes in their recipes; if you intend on grinding your own paint, you could try replacing 10-15% of your Linseed Oil with Poppy Oil to improve the consistency. Ultramine Blue provides a slow-drying, fairly hard paint film, which can tend towards brittleness.

Toxicity: B/C

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PBr7

Raw Umber Greenish is a natural earth pigment composed of iron oxide, manganese, and aluminium silicate. It has its roots in the Umbria region of Italy, and was historically a popular colour for underpaintings, as it dries very quickly. It is semi-opaque, very lightfast, and stable in all media but may be difficult to disperse in acrylic. It requires a large amount of liquid when mixed with oil.

Toxicity: B

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Gamboge is a natural tree resin, generally extracted by tapping of Garcinia trees, available as a powder and in the solid "pipe" form. One of the unique features of Pipe Gamboge is that it does not require a binding agent to be used as a paint. Instead, colour can be lifted with a wet brush, as from a watercolour pan. When used as a water colour, it gives a bright transparent golden yellow colour. It is highly transparent, fugitive to light, with a weak tinting strength. The powder can be dissolved in alcohol to colour resin-based varnishes. Gamboge was used from ancient times to dye the clothes and also to make a transparent yellow varnish for the colouring of wood, metals and leather.

Pipe Gamboge is available while stocks last. Larger quantities are available by request.

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PG19

Cobalt Green is a synthetic pigment that consists of compounds of cobalt and zinc oxides. It is sometimes referred to as Rinman's Green, after the Swedish chemist who discovered it in the late-18th century. It is a permanent, opaque colour, with a weak tinting strength. It dries quite quickly in oil, requiring a high oil content and  forming a hard, fairly fleixible paint film. Cobalt Green is available in light and dark shades; the colour is determined by the amount of zinc oxide present.

Toxicity: B

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PV16

Manganese Violet is a synthetic organic pigment, discovered in Germany in 1868 and formed by combining manganese chloride, phosphoric acid and ammonium carbonate. It is very lightfast, but sensitive to alkalis and oils. It is semi-opaque and fast-drying, with a low tinting strength and low absorption of oil. 

Toxicity: C

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Yellow Ochre Light pigment Learn More

Phthalo Turquoise Pigment (PB15.3, PG7, PW21). Mixture of Phthalo Green, Phthalo Blue and Blanc Fixe. Transparent. Excellent Lightfastness. Requires wetting agent. Toxicity B Learn More

Ultramarine Pink Pigment, Toxicity A/B Learn More

Naples Yellow Dark Pigment (PY41). Synthetic Inorganic pigment (Lead Antimoniate). Opaque. Good tinting strength. Excellent Lightfastness. Low oil absorption with fast drying rate. Suitable for all media except watercolours. Toxicity D.

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Toxicity A/B Learn More

Titanium White, or Titanium Doixide, is an artificial mineral pigment introduced in the 1920s. It is valued for its opacity, good lightfastness, and stability in all media. Its high tinting strength can render it a dominant colour in mixtures. It is very slow drying in oil, and creates a somewhat brittle paint film, though more flexible than Zinc White. Its brightness makes it a popular addition to gesso.

Toxicity: B

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