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For this
demonstration we are going to work through the various
stages of this full sheet, mixed media painting of
early morning Paris. All the initial under painting is
done in watercolour, stronger and more saturated than
the final painting will be. Over this we wash varying
mixtures of white gesso tinted with watercolour,
leaving small patches of the underpainting exposed.
These flicks of saturated colour breaking through what
is essentially a grey painting, add life and vitality
to what could become flat and drab.
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MATERIALS
Brushes
1" Flat Taklon 1/4" Flat Taklon #2 liner or
rigger 1/2" Bristle 2" Bristle 3" Hake
Paper Full sheet Arches 300gsm HP
Paint Phthalo Blue Ultramarine Blue
Indigo Alizarin Crimson Burnt Sienna Raw
Sienna Quinacridone Gold
White Gesso
Ox Gall (see note)
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Most of the work in this painting is
done with a couple of old Bristle
house painting brushes. They add a
wonderful ragged character to the
brush strokes. |
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A damp, grey morning in Paris
certainly makes an emotive subject. There is nothing like a
light shower of rain to saturate colours and extend the tonal
range.

Our initial thumbnail sketch reduces
our subject to a few simple tonal areas
Loose
and Quick We want to keep this painting soft and
suggestive so drawing is kept to a minimum and the first
washes are quick and accidental. The bridge is a mix of
Quinacridone Gold and Alizarin Crimson. The trees are made
from varying mixtures of Quinacridone Gold, Phthalo and
Ultramarine Blue, and Burnt Sienna. An old 1/2" bristle brush
gives an unpredictable, loose line.

These variegated colours are made by applying one colour
then, while it is still wet, dropping in a darker colour.
Large Washes
To wash in a large
area of sky and water like this, first wet the entire area you
want to cover. Mix some Ultramarine Blue and Alizarin Crimson
- enough to easily cover the area then apply it with your 2"
bristle brush. Work it evenly over the surface then smooth it
out with a dry hake brush. Keep drying the Hake as you work it
over the surface. Once the wash starts to dry leave it to
settle.

Don't be too concerned if your colour is a little strong.
This is an under wash and only small parts of it will be
visible in the finished painting.
Defining Darks Let the large washes dry, then use
your 1/2" bristle brush and a strong dark made from
Ultramarine Blue, Quinacridone Gold and Alizarin Crimson to
define some of the details. Pick out the arches under the
bridges, tree trunks, pontoons and boats. Use your 1" flat
brush and some pure Ultramarine and Alizarin to put some
colour into the foreground boats

Many of these dark marks will remain visible in the final
painting, so make them as interesting and full of character as
possible.
More Colour A mixture of
Ultramarine Blue and Alizarin Crimson can be graded through
the sky. The same mixture can be splashed loosely into the
foreground water. While it is still wet drop in some pure
Phthalo Blue. Don't worry if it all looks a bit loud and
colourful, we will loose most of this colour in the final
stage of the painting.

Make your under painting stronger and more colourful than
you would normally paint.
Light Reflections
The same mixture of Ultramarine Blue and Alizarin Crimson can
be graded through the water once our foreground splashes have
dried. Concentrate the wash on either side of the painting,
leaving a band of light down through the centre of interest.
At this point the smaller brushes can be used to
suggest some finer detail in the boats, bridges and distant
buildings.
To intensify the light, let everything dry
thoroughly then work some white Gesso down through the sky and
into the water. With a damp 2" bristle brush, feather out the
gesso into the surrounding purple wash.

A little raw at this stage, but ideal for subduing with
some translucent glazes.
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Mix the Gesso
tints in separate containers. They will keep for a few
days if covered in cling wrap. Don't let the Gesso dry
on your brushes, they should be washed out in water
straight away. |
Subduing the colours
Before moving on to the final step I added some more strength
to the trees with a wash of Burnt Sienna and Phthalo Blue. A
distant boat and some detail in the buildings complete the
watercolour phase of this painting.
We are now ready to
work over the surface with tinted Gesso. The first pale orange
is made by mixing a small amount of Quinacridone Gold and
Alizarin Crimson watercolour into some Gesso. Don't mix the
Gesso on your watercolour palette - when it dries it is
insoluble and will ruin the palette. A small mixing container
is a good idea (mix the colours together first then gradually
add the Gesso.)
Apply the mixture with your 2" brush,
feathering it out to a translucent haze as you apply it. (You
may find it helpful to use a wet brush to spread out the
paint.) The idea is to work a translucent layer of Gesso over
the sky and water, avoiding the boats, buildings, bridges and
any areas of the under painting you wish to retain. The
density of the Gesso glaze can be adjusted by varying the
amount of water in different areas.
When the first
Gesso layer has dried mix a more neutral grey and repeat the
process this time working more towards the outer regions of
the painting. Don't completely obliterate the underlying
washes. It is these little flicks of colour that give life to
the painting.
After all the Gesso has dried some final
marks of white Gesso suggest light on the water. These were
applied straight from the pot with a 2" brush then feathered
out with a clean, damp brush.

The final calligraphic reflections under the boats were
painted onto the dry Gesso glaze with a mixture of Burnt
Sienna and Indigo to which a drop of Ox Gall was added.

This detail shows areas of watercolour
underpainting visible through gaps in the Gesso glazes. |
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NOTE |
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Ox Gall
Ox Gall is a wetting agent made from the bile from
a cows gall bladder. When mixed with watercolour it
reduces the surface tension, enabling the paint to
adhere to a less porus surface. A little bit goes a
long way.
If your art supplier doesn't have it
in stock they should be able to order it in for you.
If you can't get hold of Ox Gall, a minute dab of
a solution of baby soap will do the same job. Baby
soap has a neutral pH so won't damage your paper.

These two marks painted onto gloss paper show
the effect of Ox Gall on watercolour. The mark on the
left is pure watercolour. Notice how the paint beads
up and contracts from the surface. The mark on the
right has a small amount of Ox Gall added. Coverage is
almost complete, even on gloss paper. |
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