The Mastery of Mixing Oil Paints By Celeste Stewart

Today’s artists have a virtually unlimited paletteis dry.
with tubes of commercial oil paints available in everyOnce an artist selects the pigment and binder, these
possible color and shade. Not only that, modern oilcomponents are then hand ground into a paste. Using
paints are easy to combine with one another, making ita marble surface and a stone muller, the artist then
possible to create any color imaginable. In the past,grinds the paint until the desired characteristics have
artists had to hand grind pigments, mixing their oilsbeen achieved. In Vermeer’s time, the paints were
individually before each painting session. The book, Theof a much thicker consistency than the oil paints of
Girl with the Pearl Earring, gave us a glimpse into thistoday. The hand-ground oil paints of the time usually
world, showing us Vermeer at work carefully mixinghad to be created daily, as long-term storage was not
the brilliant colors by hand.feasible. Some excess paint could be stored in pig
In fact, Vermeer used a simple palette consisting ofbladders temporarily.
about a dozen pigments to create The Girl with theIn Vermeer’s time, and as illustrated in the book, an
Pearl Earring. This palette was similar to the palettesapprentice was often tasked with grinding and mixing
commonly used by Dutch painters of the time thoughoil paints. Once the apprentice mastered the art of
Vermeer opted for the more expensive lapis lazulimixing oil paints, the artist could then focus on the
over azurite. His brilliant blues were not the result ofartwork itself.
picking out a tube of paint that met his needs; theyHowever, Vermeer didn’t simply apply his freshly
were the result of his mastery of mixing oil paints asmixed oil paints to the canvas as modern artists do
well as his underpainting techniques.today. First, he had to prepare the canvas, draw the
Grinding pigments is an involved art form in its ownoutline, and then begin painting by using a process
right. Not only did the artist need to create the colorsknown as “underpainting.” This process involves
consistently for each painting session, the processpainting a monochromatic version of the composition.
involves precise measurements and precise grindingOnce dry, layers of color are then added. The
times. A minor adjustment changes the characteristicsunderpainting provides depth and luminance to the final
of the paint which could lead to undesirable colors andartwork. X-ray images of The Girl with a Pearl Earring
consistencies.reveal the presence of lead which indicates that
Oil paint consists of two components: pigment and oil.Vermeer used lead white in his underpainting. Some
Pigments are usually mineral based or organic inscholars also believe that Vermeer used the camera
nature. Most pigments come in powered form thoughobscura technique with this painting.
some dyes are mixed with alum or clay. Oils act asRegardless of how Vermeer crafted The Girl with the
binders to the pigment as well as lend their ownPearl Earring, it is clear that Vermeer was a master
characteristics to the paint. For example, linseed oil,indeed. From hand grinding pigments into brilliant colors
walnut oil, and poppy oil each have their ownto capturing the girl’s seductive innocence, a lifetime
characteristics both in terms of how well they handleof dedication to art reveals itself on canvas.
as well as how the oil affects the color once the paint