Penley, Aaron: A System Of Water-Colour Painting: Being A Complete Exposition Of The Present Advanced State Of The Art, As Exhibited In The Works Of The Modern Water-Colour School (London, 1852)

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COLOURS FOR CLOUDS.

If Stormy.

^French Blue and Lamp Black.
French Blue, Lamp Black, and Light Red.
Lamp Black and Light Red, if murky and dirty.
(This tint is particularly useful in the dark mark-
, ing of the clouds).
' Indigo, Indian Red, and Yellow Ochre.
Indigo, Lamp Black, and Lake.
Lamp Black and Lake.
Indigo and Brown Madder.
'Indigo, Burnt Sienna, and Lake.

(It is desirable to make ourselves acquainted with the
several combinations thus mentioned, as to their capa-
bility of tone; a knowledge of compound tints will then
be gained, and we can select more readily.)

SUNSET AND SUNRISE CLOUDS.

If Golden.

If deep Orange.

If Scarlet.

f Cadmium Yellow.
J Yellow Ochre and Cadmium Yellow.
| Gamboge and Cadmium Yellow.
f Indian Yellow and Rose Madder.
("Cadmium Yellow and Rose Madder.
Cadmium Yellow and Indian Red.
Yellow Ochre and Indian Red.
Indian Yellow and Rose Madder.
Indian Yellow and Light Red.
Orange Mars.
Gamboge and Rose Madder.—This Tint may be
glazed over any of the others, and this process
(_ will give them a luminous character.
{Any of the above compounds, using more Red than
Yellow, and glazing with Gamboge and Rose
Madder.

(Orange Vermilion, if used so thin as to get rid of its-
opacity, is a fine tone; but it must be remembered that
transparency is the character of the Sunset or Sunrise,
and hence arises the difficulty of using such opaque
colour effectively.)