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SchminckePaints

Schmincke Horadam Aquarell Watercolor - Paris Blue, 15 ml tube

Horadam Aquarell Artist Watercolor

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  • Blick Art Materials
    $18.45 USDShop
    Recorded Oct 22, 2026, 12:47 AM UTC

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Product details
Size
15 ml
Blick SKU
00323-5131
About this product range
  • Professional quality
  • 140+ colors
  • Individually milled with finest quality pigments
  • Kordofan gum arabic
  • Exceptional re-wetting properties

Schmincke Horadam Aquarell Watercolor Tubes are crafted for the most vibrant and professional results. Since their first patent in 1892, they've been continually refined for over a century to deliver unmatched quality. Made with the finest artist pigments, these smooth, creamy colors glide effortlessly glide across any watercolor paper. Each of the 140+ stunning colors is individually milled to perfection—offering a consistently exceptional experience for every artist.

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.

Prussian Blue

Pigment code
PB27
Type
inorganic
Chemical name
ferric ferrocyanide/iron(III)-hexacyanoferrate(II)
Chemical formula
Fe7(CN)18(H2O)x or C6FeN6H4N
Properties
Prussian Blue is a semi-transparent, deep cyan-blue with a greenish undertone and a very high tinting strength unequaled by most pigments. It is similar to Phthalo Blue unless mixed with white, when it gives up intensity and becomes smoky. It can behave erratically and less reliably in oil and watercolor form depending on its manufacture. For permanent painting Phthalo Blue is considered a more reliable choice.
Permanence
Prussian Blue is lightfast and permanent in all techniques except for fresco. When mixed with Zinc White in watercolor or tempera form, it fades upon exposure to light and completely regains its chromatic strength in the dark. Modern manufacturing techniques have made this tendency less of an issue in recent years
Toxicity
Prussian Blue is moderately toxic if ingested. It will emit toxic hydrogen cyanide gas if heated, exposed to ultraviolet radiation, or treated with acid.
History
"The first of the modern pigments," Prussian Blue is the first artificial pigment with a known history. It was discovered by accident in 1704 by the Berlin color maker Heinrich Diesbach, who was trying to create a pigment with a red hue by mixing iron sulfate and potash. The potash Diesbach purchased from a local laboratory had been contaminated by animal oil and blood during previous experimentation. The resulting mixture yielded a very pale red that changed to purple and then deep blue when he tried to concentrate it. Since previous blue pigments came from lapis lazuli, an expensive stone, Diesbach’s discovery was extremely important for artists of the time.
Description
Berlin Blue, Bronze Blue, Iron Blue, Paris Blue, Paste Blue. Celestial Blue, Monthier Blue and Soluble Blue are varieties of Prussian Blue. Blue Lake is a reduced or let-down variety of Prussian Blue. Chinese Blue, Milori Blue, and Steel Blue are the three highest grades of Prussian Blue.

Phthalo Blue

Pigment code
PB15
Type
organic
Chemical name
copper phthalocyanine
Chemical formula
C32H16CuN8
Properties
Phthalo Blues are pure and clean primary blues with superior covering power. They have a very high tinting strength and tend to overwhelm other pigments, but if color strength can be controlled, they make predictable mixed colors. In oil form, blues are very deep and slow drying. When mixed with other colors or if chlorine is added, Phthalo Blue quickly tends towards green. When using alone, mix with some white, as Phthalo Blue can be semi-transparent and almost black on its own. It is among the most compatible of modern colors with mineral colors and is considered more reliable than Prussian Blue, while sharing the same physical and color properties. Phthalo Blue is a good color for glazing.
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
Bocour Blue, Cyan Blue, Helio Blue, Heliogen Blue, Intense Blue, Monastral Blue, Phthalocyanine Blue, Rembrandt Blue, Thalo Blue, Winsor Blue, Phthalo Blue (RS).

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

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