This is my street art project:
Monday, 21 May 2018
Thursday, 3 May 2018
PIGMENTS IN PASTELS
Pastels are an excellent medium for capturing texture and
energy, whether it’s the soft fur of a cat, golden light falling upon haystacks
in an amber field, or the movements and costumes of ballet dancers.
Pastels are usually in stick form, similar to chalks. A
pastel stick consists of pure powdered pigment and an inert binder. Pastels
have a higher pigment concentration than any other artist médium. The powdered
pigments used in pastels are similar to those found in oil paints.
Pastels can be hard or soft. Soft pastels have more pigment
and less binder, so they are easier to smudge and have brighter colors. Hard
pastels have less pigment and more binder than soft pastels. Hard pastels can
stay relatively sharp, so they are ideal for pastel artwork that requires tight
detail.
Pastel artwork can either be referred to as a “pastel”, a
“pastel painting”, or a “pastel drawing”. A pastel painting refers to a pastel
artwork in which the paper is fully covered in pastel. If the surface is not
totally covered in pastel and some of the paper underneath shows though, then
it is referred to as a pastel drawing.
Here are the steps to make your own pastels:
Place
powdered pigment on a glass palette. Make a hole in the middle of the pile of
pigment. Pour a very small amount of the gum tragacanth solution into the center
of the pigment. Using a palette knife, mix the pigment and the gum tragacanth
solution.
Add a
pile of white pigment to the remaining blue pastel. Add a small amount of gum
tragacanth, and repeat the mixing process.
Mold
the doughy pastel into a stick form. Place the pastel on absorbent paper, such
as a paper towel. Allow the pastel to dry (typically 24-48 hours). You can
create your pastels in any shape that you want.
PIGMENT COLOUR: VERDIGRIS
- This colour is not used now. It was the most vibrant green available until the 19th century, and it was used through the Middle Ages, Renaissance and Baroque.
- It is a moderately-transparent bluish green, and it´s often mixed with lead white and lead-tin yellow.
- It was usually used for landscapes and drapery. It was very used beacuse of its transparent abilities as a glaze on paintings. It can make a lot of mixtures.
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