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...
Category: Blue colors
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...
