Rembrandt Soft Pastel - Bluish Green 640.3, Full Stick

Soft Pastel

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$4.44

Blick Art Materials · recorded 2026-10-21T06:54:12.726774000Z

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Product details
Blick SKU
20026-7831
About this product range
  • Professional quality
  • Pure pigments bound in fine kaolin clay
  • Smooth, intense color laydown
  • Firmer texture ideal for detail and layering
  • Clean, low-dust application
  • Full stick size: 2-3/4"L × 7/16"Dia

Rembrandt Soft Pastels have been made in the Netherlands since 1899 using pure, finely milled pigments and minimal amounts of kaolin clay as a binder. This low-binder formula keeps the colors clean and brilliant, while giving the sticks a soft, smooth texture that's just firm enough to give you control. You can blend easily, build up layers, or draw clean, sharp lines without the crumbling that sometimes happens with extra-soft pastels.

Completely free of heavy metals like cadmium, cobalt, and lead, every color is developed from its own unique formula to get the best possible color intensity and handling. The pigment and clay are mixed, then shaped through a small-scale extrusion process, which produces consistently sized, uniform sticks. Throughout the process, everything from pigment grind to final wrapping is tightly quality-controlled, resulting in professional-grade lightfastness and a premium feel and finish.

Full sticks are wrapped and sold individually or in sets. Half sticks measure 1-3/8"L × 7/16"Dia and are unwrapped, available only in sets.

__Color guide:__ Numbers like 205.3 refer to the color and tone. The decimal tells you how the color is adjusted—.2 and .3 mean it’s mixed with black, .5 is the full shade, and .7 through .12 are tints with increasing amounts of white.

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.

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).

Hansa Yellow 10G

Pigment code
PY3
Type
organic, monoazo
Chemical formula
C16H12CL2N4O2
Properties
This Hansa yellow is a transparent yellow. It has great brightness and tinting strength and its drying time ranges from average to slow. Hansa Yellow makes more intense tints and cleaner secondaries than Cadmium Yellows, especially when mixed with other organic or modern colors like Phthalo Blue and Green. Because they are more transparent, they have great value as glazing colors.
Permanence
This Hansa Yellow has fair to good permanence, particularly in the lighter shades.
Description
Arylamide Yellow, Arylide, Arylide Yellow, Azo, Brilliant Yellow, Monoazo, Monolite Yellow, Permanent Yellow.

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