The third and last point for our consideration in this connection is the emanation[305] and mystery of colour in its entire effect. This witchery of colour appearance will mainly be found, where the substantive ideality of objects has become an effusion of spirit which enters into the scheme and treatment of its coloured presentment. In general, we may say that the magic consists in a handling of colour by means of which we obtain an interplay of scenic effect which is devoid of defined articulation as such, which is, in fact, simply the result of moulding of colour in the finest degree of fluency, a fusion of coloured material, an interplay of reflected points which pass into one another, and are so fine and evanescent in their gradations, so full of vital cohesion that the medium here seems already to have entered that of musical sound. From the point of view of modelling the mastery of chiaroscuro is part of this magic result, an aspect of the art in which among the Italians Leonardo da Vinci and, above all, Correggio were supreme. While introducing the very deepest shadow, the transparency of this is not only preserved, but is carried through imperceptible gradations to the most brilliant light. By this means roundness in the moulding of form is complete; there is no harshness of line or limit, but all is equable transition. Light and shadow are not here merely in their immediate effect as such, but gleam through one another much as a spiritual force is operative through an external shell. It is just an effect like this we find in the artistic treatment of colour, and the Dutch were no less than others consummate masters of this. By virtue of this ideality, this mutual relation between the parts, this interfusion of reflections and colour scintillations, this alternation and evanescence of transitional tones, a breath of soul and vitality is throughout communicated in the brilliancy, depth, the mild and juicy illumination of colour. It is this which gives us the magic effect of a masterpiece of colour; it is the unique gift of the genius of the artist who is himself the magician.
(γγ) And this brings us to the last point we have to discuss on this part of our subject.
We started with the linear perspective, we passed on then to drawing and concluded with colour; first considering light and shade in its relation to modelling, and, secondly, viewing it as colour simply, or more accurately, as the mutual relation between degrees of brightness and darkness in colours, regarding it, moreover, in its aspects of harmony, atmospheric perspective, flesh-colour and magical effect. We have now to consider more directly[306] the creative impulse of the artist in bringing about such colour effects.
The ordinary view is that the art of painting follows definite rules in attaining its results. This is, however, only true of the linear perspective, being as it is a wholly geometrical science, and even in this case rules must not obtrude themselves in their abstract stringency, if we are to preserve all that essentially contributes to our art. And, in the second place, we shall find that artistic drawing accommodates itself even less readily than perspective to universal rules, but least of all is this true of colouring. Sense of colour ought to be an artistic instinct or quality, should be as much a unique way of looking at and composing existing tones of colour, as it should be an essential aspect of creative power and invention. On account of this personal equation in the production of colour, the way, that is, the artist looks at and is active in the making of his world, the immense variety which we find in different modes of treating, it is no mere caprice and favourite mannerism of colouring, which is absent from the facts in rerum natura, but lies in the nature of the case. Goethe supplies us with an example of personal experience which, as confided in his "Dichtung und Wahrheit," illustrates what I mean: "As I returned to my cobbler's house [he had just visited the Dresden Gallery] once more to take lunch I could scarce trust the evidence of my eyes. I believed myself to see before me a picture of Van Ostade[307], so complete it was, that you might have hung it there and then in the Gallery. Composition of subject-matter, light, shadow, brown tone of the whole, all that is admirable in this artist's pictures I saw actually before me. It was the first time that I was aware, to such a high degree of the power which I subsequently exercised with intention, the power of seeing, that is, with the eyes of the particular artist, to whose works I had just happened to devote exceptional attention. This facility afforded me great enjoyment, but also increased the desire from time to time to persevere in the exercise of a talent which Nature seemed ungracious enough to disallow me[308]." This variety in the manner of colouring is exceptionally conspicuous in the painting of human flesh, quite apart from all modifications rendered necessary by the mode of lighting, age, sex, situation, and the like considerations. And for the rest, whether the subject depicted be daily life, outside or within the interior of private houses, taverns, churches, or other buildings, or it be that of Nature's landscape, with its wealth of objects and colour, which finds more or less accurate reflection in the personal essay of any particular painter, the result cannot fail to illustrate this varied play of form and colour effect[309], which will infallibly appear, due as it is to the manner in which each comprehends, reproduces, and creates his own work according to his own outlook, experience and imaginative powers.
(c) We have hitherto, in discussing the several points of view which are given effect to in the art of painting, referred, firstly, to its content, and secondly to the sensuous medium in which such content can be built up. We have in conclusion to define the mode under which the artist is bound to conceive and execute his content as a painter and under the conditions of his particular medium. We will divide the very considerable matter which such an investigation implies in the following manner:
First, we have to deal with the more general distinctions in forms of conception, which it will be necessary to classify and follow in their progressive advance to richer manifestations of life.
Secondly, we shall have to direct attention to the more definite aspects, which, within these general types of conception, are more directly referable to genuine pictorial composition, that is, the artistic motives apparent in the particular situation and manner of grouping selected.
Lastly, we propose to review rapidly the mode of characterization, which results from distinctions of subject-matter no less than modes of conception.
(α) With respect to the most generally prevailing modes of artistic conception[310], we shall find these are in some measure due to the content which has to be depicted, and in part are referable to the course of the art's evolution, which does not from the first seek to elaborate all that is apparent in any subject, but rather through a variety of stages and transitions makes itself fully mistress of Life and its manifestations.
(αα) The first position which the art of painting is able to secure still betrays its origin from sculpture and architecture: in the entire mode of its conception it is still in close association with these arts. And this will pre-eminently be the case where the artist restricts himself to individual figures, which he does not place before us in the vital connections of an essentially concrete situation, but in the simple independence of its self-repose. Out of the many sources of content which I have indicated as adapted to painting, we shall find religious subjects, Christ, his apostles, and the like are exceptionally suited to such abstract treatment. Such figures as these must necessarily be assumed to possess sufficient significance in their isolation, to be complete in themselves, and to unfold an object sufficiently substantive of adoration and love. Belonging to this type, particularly in early art, we meet with examples of Christ or his saints isolated without definite situation and environment. If we do find the latter it mainly consists in architectural embellishments, particularly Gothic; this is frequently the case in early Flemish or upper German art[311]. In this relation to architecture, among the columns and arches of which such figures as the twelve apostles and others are frequently composed, painting does not as yet attain to the life-like actuality of its later development, and we find that even the figures still retain in some measure a character which inclines to the statuesque, or to some extent do not move beyond such a general type as we find indicated in its fundamentals by Byzantine painting. For isolated figures of this character, devoid of any background or only retaining a purely architectonic outline, a more severe simplicity of colour, and a more emphatic brilliancy, is as it should be. The oldest school of painters have consequently employed a single-tinted ground of gold instead of a rich natural landscape, a ground which the colours of drapery have to confront, and to which they are compelled to adapt themselves; these are consequently more decisive and glaring than the colours employed in the periods of Art's finest bloom, just as we find as a rule that simple vivid colours such as red, blue, and the rest are most pleasing to uncultivated people.