Is blue the most important color?
When I teach about colors for the first time with my students, I usually say that the color blue is important, perhaps the most important of all. On the other hand, I have met…
Category: Blue colors
Cobalt Blue Deep (PB72 PB73 PB74)
In 1802, the French chemist Louis Jacques Thénard discovered the pigment we today call cobalt blue deep in an attempt to find a blue color that could replace the very expensive lapis lazuli. There…
Cerulean Blue (PB35, PB36)
If you search for “Cölinblå” on Google, which is the traditional Swedish name for the color, you only get a few results, most from Riksantikvarieämbetet (The Swedish National Heritage Board), but if you change…
Phthalo blue green shade (PB15:3)
Phthalo blue is available in several variants. The most common are PB15:1 and PB15:3, PB15:1 is warmer than PB15:3 and is often called red shade while PB15:3 which is greenish is often called green…
Cobalt Blue (PB28)
Long before cobalt blue there was a pigment called smalt, cobalt glass ground to a fine powder. Smalt dates back to 2000 BC. It was used mainly for ceramics in ancient Egypt and in…
Prussian blue (Iron blue)
Iron blue or Prussian blue is a very old synthetic pigment, it was invented in 1704, by chance, by Heinrich Diesbach who was active in Berlin which was in then Prussia, therefore the color…
French Ultramarine
French ultramarine is a synthetic pigment, original ultramarine is extracted from semi-precious stone lazurite. Lapis lazuli is another name for the color. Good quality of Lapis lazuli could once be more expensive than gold…
Phthalo blue (red shade)
Some people hate it and others like it. I understand why so many don’t like it, it is so intense that it becomes difficult. It dries with lost of color joy. It is difficult…
