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Colour is a term for the range of differences in light that the eye can regis-
ter; it is most commonly used for those differences dependent on the wave-
length of light within the electromagnetic spectrum. Besides such differences
of ‘hue’, colour may also be described scientifically in terms of the amount of
light perceived (‘brightness’, as opposed to dark) and in terms of the amount
of a distinct hue (‘saturation’, as opposed to the colourlessness of white or
black).
The relationships and connections between the theoretical literature on
colour and the practice of painting in the Western world since the Middle
Ages have been complex and problematic. Aristotle held the belief with regard
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to painting that the most beautiful colours are less valuable than a clear out-
line; thus colour has only a local and limited significance. Insofar as medieval
thought remained dominated by Aristotelianism, this attitude was influential.
In the 13th century Thomas Aquinas wrote that ‘beauty’ consists of order, ra-
tionality and integrity. Line conveys rationality and is therefore more impor-
tant than colour. This view, in various forms, recurred often in subsequent
centuries. By contrast, Plotinus, the Neo-Platonist philosopher of the 3rd cen-
tury AD, pointed the way to a medieval metaphysics of light by asserting the
divine nature of colour and brightness. Along these lines, light was seen in the
later Middle Ages as a metaphor for divine grace, claritas as a constituent of
beauty. There was an emphasis on splendor as seen in the light on polished
surfaces; this was reflected in artistic practice in the extensive use of gold in
panel paintings. However, the late 13
th
-century treatises of Roger Bacon
(1214–1292) and John Pecham (1292) on optics posit a more scientific view
of colour that seems in many ways to forecast Giotto’s practice in the follow-
ing decades. Giotto’s modulation of colour by light, his sense of everyday re-
ality and his restraint demonstrate a clear movement away from the meta-
physical to the observed. His limited, sober range of colours clarifies the nar-
rative content and differs greatly from the strident rainbow effects of many of
his contemporaries. Colour for Giotto identified specific substances rather
than being ‘beautiful’ in itself.
The first important treatise on painting during the Italian Renaissance was
Alberti’s “De picture”, written in Latin in 1435. This concurred with Masac-
cio’s practice insofar as Alberti treated colour under the heading ‘reception of
light’ rather than as a divine radiance or as an element in the creation of deco-
rative pattern. In the Italian version of the text (1436), however, he established
a colour system based on four primaries: red, blue, green and grey.
It can be held that from the Renaissance onwards painters in Europe in-
creasingly used colour to amplify tonal differences rather than for its signifi-
cance in itself; hence the development of chiaroscuro from Leonardo to
Caravaggio and Rembrandt. Leonardo, in his “Trattato della pittura”, wrote
that ‘what is beautiful’ in colour ‘is not always good’; for example, the painter
needs to sacrifice bright colour to suggest brightness, which is most readily at-
tained through contrast with darker tones. The softness and gentleness of Leo-
nardo’s tonal contrasts – his characteristic sfumato – and the employment of
aerial perspective also involved an avoidance of strong colour contrasts. He
stated specifically, following Alberti, that the ‘illusion of relief’ is more im-
portant than colour.
Giorgione’s work in Venice can be said to have initiated an approach to
colour at least as important as Leonardo's. As Jan van Eyck had done nearly a
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century earlier, he painted with rich colours on light grounds; but additionally,
by uniting intense local colour with chiaroscuro and maintaining an equality of
emphasis that avoids sudden or dramatic contrasts of colour and tone, he gave
to the forms in his painting an ‘inner light’, as in the “Tempest” (1507; Ven-
ice). Such an approach was echoed not only in the work of Titian but also
much later in Vermeer and even in Chardin.
During the late 16th century and beyond a common concern of critical
theory was the contrast between ‘design’ and colour. Vasari, writing in Flor-
ence in the late 16th century, regretted that Titian did not study disegno more;
in contrast he celebrated Raphael as having ‘brought invention, colouring and
execution to perfection’. Venetian artistic theory of the same period put much
greater stress on colour.
Poussin stated that the aim of painting is to delight. This is perhaps sur-
prising, given that his work was the principal influence for those who advo-
cated disegno in later 17
th
-century academic doctrine in France. On the other
hand, the advocacy of colore was upheld by the Rubénistes,
who had their
chief spokesman in Roger de Piles.
In his “Dialogue sur le coloris” (1673) he
expressed the view that colour was particularly characteristic of painting as
distinct from other arts, a view that was revived in the 20th century by artists
concerned with asserting the autonomy and particularity of painting, as com-
pared, for example, with sculpture. De Piles criticized Poussin for neglecting
colour and admired Rubens as the ultimate master in terms of the imitation of
nature.
At the time de Piles was writing, Isaac Newton was using the prism to
demonstrate (1666) the polychromatic composition of white light: but the new
scientific understanding of pure light did not immediately impinge on debate
among painters. The controversy between Poussinisme and Rubénisme was
reopened a century later, between the adherents of Neo-classicism and the phi-
losophers, theorists and painters who were associated with Romanticism. Jo-
hann Joachim Winckelmann, in his “Geschichte der Kunst des Alterthums”
(1764), upheld the views of colour’s being ‘sensual’ and beauty's consisting
not of colour but of shape. Kant took a similar view, placing design above
colour, and stressing that colour ‘belongs to the stimulus’ of the senses. At the
same time, however, Goethe, Hegel and particularly the German painter and
theorist Philipp Otto Runge
held somewhat different beliefs, which were re-
vived in the 20
th
century. Goethe, although writing as a scientist, emphasized
the ‘symbolism of colour, which comes from nature and is addressed to the
eye and to feeling; thus colour sensations are endowed with meaning and emo-
tion. Hegel believed that painting becomes more ‘spiritual’ through colour,
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and Runge insisted that colour is more than a sensual impression: he empha-
sized its ‘mystical’ significance.
Newnan G. Colour // The Dictionary of Art / еd. by J. Turner. Vol. 7: Grove’s Diction-
aries Inc. New York, 1996. P. 626–629.
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