Historically a very expensive ground lazurite pigment, synthetic pigment has been used since the 1830's making it one of the most popular and affordable blues, Yves Klein blue is mostly Ultramarine.
Historically a very expensive ground lazurite pigment, synthetic pigment has been used since the 1830's making it one of the most popular and affordable blues, Yves Klein blue is mostly Ultramarine...
A mixture of ultramarine and phthalo blues with a little titanium white created as an affordable approximation of Cobalt blue at full strength, but with very different mixing properties.
