Is a pictoral technique consisting in the use of small regular toches of pure color, juxtaposed or interspersed in such a way that when viewed from a suitable distance they seem to react together optically in the eye of the spactator, creating effects of brights colours.
The creator of this technique was Seurat, who takingadvantage of the discioveries of Chevreue, reduces its palette to ensure the benefist of the luminosity without getting to mix dyes with each other.
Signac was also an important figure in this movement. habitually attached tonpost impressionist art.
CERUELAN BLUE
It's was introduce as a pigment in the 1860s. Is very stable and photoresist with a limited hiding power. Cerulean blue is a true blue (not greenish or purplish) but it doesn't have the opacity of cobalt blue. In oil, it was particularly beneficial to painters who draws skies
The name "Cerulean blue" comes from Latin caeruleus = dark blue caelum which in turn probably derives from caelulum, diminutive of caelum, "heaven, sky"..
Examples of use by artsist
In this picture the artiste uses the cerulean blue for the sky. Its a light blue.
OIL PAINTS
Oil paints are comprised of pigments with oils,. The mixture of pigment and oil is then dried to the consistency of butter, causing the applied paint to dry slowly without changes in color intensity. When oil oxidizes, it forms a solid film that binds the pigments, allowing oil paintings to be enjoyed for hundreds of years.
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