Tuesday, February 12, 2013

Utopia of the Coloured Light in Cinema




“Light is to the production what music is to the score: the expressive element in opposition to the literal signs; and, like music, light can express only what belongs to ‘the inner essence of all vision’.”[1]

While Adolphe Appia, in the above quote, understands the true nature and effectiveness of lighting within theatre, for many, the history of lighting and lighting effects is an afterthought compared to the other apparatus. Light is a part of our daily lives, “a phenomenon so familiar we cease to think about it”[2]. We do not see light; we see are the effects of light as they land on material surfaces. Light is taken for granted. Within the history of cinema, light suffers a similar fate. Historians and theorists discuss and research the evolution of the camera, the screen, the photographic film, forgetting that ultimately, “cinema is a medium of light. The cinema does not exist without the beam of electrical light that passes through the celluloid strip to throw an image onto a screen before a viewer.”[3] Light is the beginning of cinema and its function and the development of processes to channel and alter light form the basis of both the apparatus and the dispositif of cinema. Light reacts with the silver halide grains on the film to create a negative and it is light that is shone through the differing incarnations of projectors onto the various screens throughout history. There has been a “critical neglect of the role of light and lighting in cinema (…) in spite of the persistent experimentation in these areas by filmmakers throughout the twentieth century”[4]. When we discuss colour in cinema, light is similarly neglected. We discuss the processes of capturing the colour on film, and the effects of this colour on the audience. What we are missing is “the most subtle aspect”[5] of colour; the colour of light itself. It is thus the function of this paper to discuss the role and evolution of the use of this most subtle aspect of colour within cinema.
            Colour’s relationship to cinema did not begin with the tinting and toning of black and white film, nor did it begin with the hand painted photographs. So exactly when did it begin? As Higgins rightly states “colour has repeatedly proved one of the most challenging elements of art to theorists and historians. It throws up obstacles to description and to the uncovering of a system of logic or design”[6]. Colour comes from light, thus I would argue that coloured light is an integral part of the archaeology of cinema. From the magic lanterns and phantasmagorias to the tinting and toning processes, coloured light has ultimately played a significant role. Even in the abstract animation of Léopold Survage’s 1914 exhibition Le Rythme Coloré there are links to coloured light. As Guillaume Apollinaire reviews, the animation draws its origins from “fireworks, fountains, electric signs, and those fairy-tale palaces at every amusement part accustom the eyes to enjoy the kaleidoscopic changes in hue”[7]; all aspects that use coloured light as part of their spectacle. But to simply state that colour is everywhere because of light would be to do an injustice to the evocative and important role of coloured light. Thus I will discuss the development of the manipulation of coloured light within cinema. In order to provide an orderly structure to my argument, I will restrict myself to the discussion of coloured light as used for expressive purposes. This will be done for a number of reasons. Firstly let me return to the quote by Appia, who compared the role of lighting to the role of music in theatre; the expressive element. Within cinema there are also two specific types of sound; diegetic and non-diegetic sound. Diegetic sounds are the realistic noises that occur within the world of the story, while the non-diegetic soundtrack and music are the expressive element; it gives us emotional cues and heightens the events occurring on the screen. Colour has a similar disparity. Tom Gunning, in his article “Colorful Metaphors: The Attraction of Colour in Early Silent Cinema” describes the two roles of colour in early cinema, and two ideals that led to the development of colour processes for cinema. On the one hand you have a move for realism, as championed by Andre Bazin in his essay “The Total Myth of Cinema”. The role of colour in this paradigm is simply to recreate a realistic representation; to depict things as they truly are. On the other hand you have a more expressive use of colour; as Gunning states “a purely sensuous presence, an element which can even indicate a divergence from reality”[8]. It is this second role of colour in cinema that I will concentrate on in relation to the use of coloured lighting. Yumibe[9] asserts that historical studies of colour photography and colour film have placed an emphasis on the natural colour while the added or applied colour photography has received little or no attention. I will attempt, in some small way, to rectify this.
The origin of colour cinema is rather speculative, with much debate still raging as to where and when it first began. Edward Branigan[10] suggests that “there is such a remarkable diversity that it is not immediately clear with what industry to begin a study of color[11], or how far to go back”. For the purpose of discussing the evolution of colour light effects in cinema, I will begin my analysis in early theatre, where many of the conventions and apparatus began. From ancient Greek theatre to the developments of the Renaissance and Victorian ages, I will attempt to track the development of coloured light as used to alter atmosphere and mood. One could easily segue into the developments of colour lighting as used in Féreés chromo-therapy or in interior design. While valid in the overall archaeology of cinema, an adequate discussion of these aspects would require a longer paper and are thus excluded from this thesis. There are also a number of occasions in the history of the cinema where both realism and expressive colour interpolate. In these cases I will focus only on the expressive colour. For example, the tinting and toning processes of early cinema are cornerstones in the development of colour cinema and realism. However I argue that they play an equally significant role in evolution of expressive lighting in cinema. In early cinema, as opposed to later developments in colour film stock, the tinting and toning processes saw colour added or “superadded to the more dominant form of reproduction, an extra sensual intensity”[12]. Rather than trying to capture the true colour of life, the purpose was to give an effect and mood to the black and white film. Even in the Technicolor era, where the use of filters and lighting effects were discouraged in order to create realism, many argued that the Technicolor process should be used for more symbolic and inspirational purposes.

Lighting the Emotions: Expressive Colour in Theatre
Cinema and theatre are intrinsically linked historically. While theatre still exists today, it would be correct to state that theatre was a precursor to cinema and that cinema is a natural evolutionary step from live performances to recordings of performances. Both early theatre and early cinema began using natural daylight as their lighting source. Ancient Greek and Roman theatres were built in the open air to use natural light. Similarly early cinematic studios were built with glass ceilings to allow natural daylight to illuminate the theatre-like stage with natural light. And it is with theatre that the first use of coloured light for entertainment and dramatic purposes began.
In order to discuss the evolution of colour light effects, we must discuss the evolution of lighting technologies in theatre for it is these innovations that determine the development of the colour gels and filters used in cinema. As stated above, plays held in ancient Greece were staged in large outdoor theatres, under the natural light of the sun. But more than a simple use of light, the Greeks organised the plays to run at different times of the day, in order to take advantage of the different types and shades of light available at these different times. It is thus apparent that, whether consciously or unconsciously, the ancients were aware of the power and emotional connotations of colour of light, in the form of colour light temperature, which changes throughout the day, offering bright blues in the hours around midday and sumptuous reds and oranges in the hours at dawn and dusk (a characteristic used in film production as the “magic hour”). For performances taking place after sunset, fires, torches and oil lamps were used to illuminate the stage. These apparatus remained in place for centuries, albeit with some alterations in the style.
Fig. 1: A Traditional Bozze
It was not until the Renaissance period when colour lighting in theatre truly came into being; what Richard Pilbrow calls the “cradle of stage lighting”[13]; in other words, the birthplace of lighting. In 1545, the Italian architect and artist Sebastiano Serlio first advocated the use of coloured glass in front of candles to project coloured light onto the stage. According to Pilbrow this instrument, the bozze (Fig. 1[14]) was the first recorded stage lighting instrument. The bozze was, in essence, a glass vessel in either convex or concave shape filled with oil or wick. For coloured the light, it was filled with coloured liquids such as wine (red), saffron (yellow) or ammonium chloride in copper vessels (blue)[15]. The effect of these coloured lights on the stage and costumes created a spectacle for the audience. Pilbrow further states that:
“the stage, glowing with multicoloured flickering light, shining with encrusted and translucent scenery and costumes that shimmered with jewels, must have been an astonish and lovely spectacle.”[16]
In 1565, playwright Leone di Sommi wrote
 “Four Dialogues on Scenic Representation” in which the protagonists discussed mood and atmosphere. Through the conversation, the stage lighting and atmosphere changes. When they discuss joy and happiness, the stage is illuminated in “brilliant and glowing colors”[17], while in tragedy the light is dimmed. These models of stage lighting were to continue well into the 18th century.
It was in the Georgian era (1714-1830) that a further development in the creation of coloured light was founded; the use of coloured silk and glass. These were placed in front of the oil lamps as primitive filters, casting coloured light onto the stage and creating mood and atmosphere. One of the most famous proponents of this was artist and stage designer P.J. De Loutherbourg (1740-1812) who pioneered the use of colour changing silks on the side-lights to create mood at atmosphere in his productions. Further lighting innovation came in 1803 in London’s Lyceum theatre with the use of gaslight. However it was not until 1817 that the theatre was refitted to be entirely lit by this new apparatus. Other theatres soon followed and the bright light of gaslight quickly became an industry standard.  
            The Victorian era (1837 – 1901) led to further developments in lighting, most significant of which the introduction of limelight. Though invented in 1826, it was first tested in 1837, the beginning of the Victorian age, in London’s Covent Garden. Limelight used a block of quicklime heated by a flame of oxygen and hydrogen. It provided an intense and extremely bright light that was used as a follow spotlight in theatre. Again the Lyceum theatre was an innovator in the development of lighting techniques in adding colour to the limelight, using mediums of red, two colours of amber and four shades of blue to alter the intense limelight and add further atmosphere to the stage. Michael Booth[18] describes the light as “beautiful” in the effects it could achieve. In these situations, the coloured light was used to create atmosphere, not only mimicking the beauty of the sunsets but also to add depth an emotion to the dramatic and romantic scenes through the use of red filters.
Complimenting the limelight was the “colored fire” which also originated in the 19th century. These fires added further dramatic effect through the flickering of the coloured light in the wings. They were created through the mixing of various ingredients; strontium nitrate, sulphur, copper oxide, mercury sulphide etc. The chemicals were mixed to the desired colour and placed in iron boxes concealed in the wings. At the appropriate times they were lit to bathe the stage in eerie coloured fire. As with previous uses of colour light, these lighting effects were coded for specific dramatic needs. Green and blue fires were used for the appearance of ghosts and spirits, possibly due to the identification of those colours with nature and death, while red was used for villains and demons. Other colours, according to Booth, were used for “prettier and less supernatural effects”[19]. Even with the advent of electrical lamps in 1881, experiments in colour lighting techniques were still taking place. The lamps themselves were dipped in coloured lacquer to tint the light, however due to the extreme heat created by these lamps, the lacquer would fade quickly. To avoid this, coloured gelatine sheets were used to colour the light. 
 In the late 19th century, more abstract experiments with coloured light took place. Along with Adolphe Appia and Gordon Craig, one of the pioneers of coloured light was the dancer Loie Fuller, who used it as an integral part of her dances. Shafts of light were projected vertically upwards from beneath the stage. The performers danced and twirled within these shafts of light, their flowing clothes acting as a screen for the light. The colour of the light was continuously changing giving the effect that the dancers were like “a figure enshrouded in a silent and iridescent column of flame”. Furthermore, her use of colour acted as a precursor to colour cinema and, according to Gunning “Fuller’s color symphonies provided cinema with its first impulses towards color”[20]. This is most evident in the filming of, arguably, her most famous dance; The Serpentine Dance. In 1894 Edison recorded this dance using his Kinetoscope, tinting the entire film strip in order to match the colour aesthetics of the live show, while the Lumière brothers recorded the dance in 1896 using hand painting to colour the slides to mimic the colourful spectacle. The Lumière’s film has been cited as an example of one of the earliest experiments in the colour photography in cinema. On the contrary, I believe that, rather than trying to achieve a total realism in colouring the scene, the Lumières are in fact attempting to recreate the effect of colour light.  If you examine the film closely (Fig. 2), the background is dark and thus requires no colour, while the foreground is similarly bare with only a pale colouring used; the only portion of the film that is actually coloured is the dancer. It is the effect of the light on the clothes that is the spectacle for the audience and in colouring the film they are attempting to depict the similar attraction; the attraction of coloured light


Fig 2: Stills from The Serpentine Dance (1896)

The theatre can be seen as the starting point for the colour revolution. Throughout history the theatre has shown how colour light can be used to create emotional and expressionistic impact on the spectator. It is from theatre that much of the emotional coding of colour began and the development of light effects in theatre continued into cinema. Indeed, as Eskilson states, by the early 20th century, theatre offered “access to a magical realm of peace and harmony, a mystical utopia of colored light”[21].

Colouring the Projected Image: Expressive Colour in Cinema
            Within the history of cinema as whole, the magic lantern and phantasmagorias of the 19th century represent a significant turning point in the move towards the cinematic experience. Similarly they represent a link between theatrics and cinema. The phantasmagorias were unique in terms of each performance being different from the preceding. Charles Musser[22] sees the phantasmagoria as having “much in common with a stage performance”. While lighting plays an important part in the effects used in the phantasmagoria, it is in a fellow 19th century moving picture show that colour lighting and lighting effects are used to a truly significant degree; the diorama. Built in Paris in 1822 by Louis-Jacques-Mandé Daguerre, the Diorama was designed to incorporate the lighting effects that Daguerre himself had pioneered as a painter for theatrical productions. According to Paul Clee[23], the window and skylights of the room were fitted with screens and shutters so that the light could be regulated. Furthermore filters were used on the lights (both the external daylight and the internal oil lamps) to alter the colour of the light and create magnificent effects on the screens. The Diorama, as well as the phantasmagoria and magic lantern shows, represents the shift in the knowledge and technologies founded within theatre to the precursors of cinema and thus into the apparatus of modern cinema.
            As stated earlier, the dances of Loie Fuller provided an impetus for early filmmakers to experiment with colour. Within early cinema, there appears to be two disparate paradigms for the use of colour; each with its own separate, yet interrelated chronology. According to Gunning there are two distinct traditions: photographic real colour and non-indexical symbolic colour. Gunning suggests that while silent cinema saw attempts to achieve the photographic realistic colour of Bazin’s “Total Cinema”; it was, in fact the more arbitrary colour applications of tinting and toning that was most prevalent in the silent era.
            Before delving into the tinting of black and white film, it must be said that the use of colour light and colour filters in early cinema was not limited to the various hand painting and dying processes. In the early orthochromatic film stocks , the silver halide grains were excessively sensitive to colours in the blue spectrum. Furthermore, the emulsions are sensitive to the invisible ultra-violet radiation. Both these factors can cause problems when shooting black and white. Eskilson gives the example of the sky; when photographed without a filter it will be washed out, the “differentiation between the blue and any white clouds being washed out”. It was therefore necessary to use red, orange and yellow filters, even in early cinema, to lighten these colours at the expense of the colours in the blue spectrum, thus resolving the problem and allow a truer representation of what is being filmed.
Among the various additive colour processes available in the early years of cinema, toning was the most popular. The use of tinting began as early as the 1890’s. On 23rd April 1896, New York’s Koster and Bial Music Hall saw the debut of the Vitascope, an early film projector. Two of the films shown that night were coloured using the same tinting process as the stereopticon. Tinting, as defined by the Society of Motion Picture Engineers[24] involved “immersing the film in a solution of dye which colors the gelatine, causing the whole picture to have a uniform veil of colour on the screen”. It is this uniformity that differentiates the tinting process from the other experiments in realistic colour, and links it more to the uniformity of colour light used for symbolic purposes in theatre; after all, the tinted film illuminated by the projector is a direct successor to the gelatin filter placed over a stage light. In fact, W.D. Griffith, in the exhibition of his 1919 film Broken Blossoms, used a technique that Edward Branigan called “closer to theatre than to either photography or painting”[25]; he used a separate “Chinese Blue” coloured spotlight during the projection to augment the tinted film, a technique one reviewer called “revolutionary”.
Higgins states that by 1914, a standardized colour coding of the tinted colours was in place. Following on from the coding of the colour lights in theatre, blue signified night scenes, red indicated fire and passion while amber indicated lamplight. It is interesting to note that both the blue and amber colours are further representatives of the colour temperature of both daylight (6500° Kelvin) and interior lights (1850°-3300° K). A famous example of the use of tinting processes as signifiers is F. W. Murnau film Nosferatu (1922). The images in Fig. 3 illustrate the range of colour tinting effects used in the film. The top image, tinted blue, takes place at night, while the amber represents interior shots. The final shot, tinted magenta, represents not only the dawn, but the dramatic and emotional conclusion of the film. These tinted scenes bare little resemblance to true photographic realism; “a long way from a literal representation of the world”[26], however the similarities between tinting and stage light are most apparent in the last shot; it could easily be a photograph from a stage play, lit with a magenta gel, as it could be a tinted black and white film. In fact, Richard Maltby suggests that the prevalence of tinted film in early cinema caused colour to be associated “with mood rather than naturalism”[27], further illustrating the role of expressive colour light in the history of cinema.


Fig. 3: Tinted stills from Nosferatu (1922)

            The tinting process was relatively inexpensive compared to other processes and thus became, during the silent era, “an absolute standard”[28]. According to the Society of Motion Picture Engineers[29] by 1920, 80-90% of films were tinted. Tinting and toning were often used together for further effects. King Vidor’s 1921 film The Sky Pilot used both processes, but he used it as a significant part of the mise-en-scène. Similar to Appia’s analogy of light and music, King Vidor wanted to “score” the film for colour. Using the various tinting colours, from soft violets for early morning scenes and yellows for the scenes after sunrise, Vidor gave emotional cues for the audience. Vidor himself states that he used varying colour shades of green and pink as signifiers for emotions; “The heights of joy are enhanced with a delicate pink glow, while the depths of grief call for a ghastly gray green tone”[30].
1921 was also the year when Eastman Kodak created pre-tinted film stock. The effect was achieved not by dying the individual prints, but by causing a chemical reaction in the metallic salts, causing the silver grains to become silver ferrocyanide. The made tinted films easier to create and cemented its place as the standard colour reproduction process. However with the arrival of sound film temporarily put a halt to the continuing success of tinting. The original tinting process of chemical baths interfered with the sound track and thus many filmmakers chose the new technology of sound over film tinting. Maltby suggests that “the aesthetic regime of sound movies discouraged the symbolic use of color tints.”[31] This can be seen as a move towards more realistic, “total cinema”. It was not until 1929 when Eastman Kodak introduced Sonochrome; a pre-tinted film stock that did not interfere with the soundtrack. Sonochrome was available in 16 tinted bases, allowing the full use of colour as emotional symbolism while also giving the realism of sound.
Colour tinting continued until the 1950’s, but it was the revolution of Technicolor in the late 1920’s that truly marked the end of the use of colour for symbolic purposes and ushered in realistic colour. With the three colour process, Technicolor was able to achieve the photographic realism that was initiated by such innovations as Kinemacolor. In order to preserve this realism, the Technicolor Motion Picture Corporation employed colour consultants to work on set, making sure that the colour reproduction accurately matched skin tones and “forcibly discouraging the use of filters or unconventional effects.”[32]. That being said, many in the industry saw Technicolor as an opportunity to truly use colour for symbolic and expressionistic effects. Lansing C. Holden, colour designer on the 1939 version of A Star is Born suggested that colour should be used “like music, to heighten the emotional impact of a scene.”[33] Even Natalie Kalmus, chief consultant in Technicolor accepted that the new found realism in motion pictures needed to be guided “into the realms of art.”[34]. As Maltby suggests, this meant using colour to match the mood of the scene and, was a “more elaborate version of the symbolic use of color in tinting silent movies”[35].
But even within the realm of realism, there are some examples of the use of coloured like for emotionally symbolic purposes. The 1934 short film La Cucaracha was filmed in Technicolor but used expressive lighting to provide emotional impact. Colour designer Robert Edmond Jones used “mood lights” and “colored figure illumination” to underscore the characters emotions. In once scene (Fig. 4), the character of Chatita is bathed in blue light, signifying her sadness. Furthermore, the character of Martinez is lit with a red filter, signifying his anger. Even within the realism of the Technicolor era, filmmakers were still able to use coloured light to illustrate emotional effect. 
Fig. 4: Chatita in blue light
Fig. 5: Martinez in Red Light


Conclusion
Throughout this paper I have attempted to illustrate the pivotal and overlooked importance that colour light has played in the history of cinema. There is a basic misperception of coloured light being the same as colour and thus neither aspect can truly be discussed correctly.
In 1810, Johann Wolfgang von Goethe published his book “Theory of Colours”. It became an important text in the world of art for its discussion of the effects of colour. However I believe that Goethe, in his scientific experiments, overlooked the importance of colour light. He described looking at a landscape through yellow glass, with the effect that “the eye is gladdened, the heart expanded,” while a blue glass was “gloomy and melancholy”[36].While this is an example of the power of colour to effect the viewer, more importantly, it is an example of the power of coloured light; after all it was not a yellow clothe he was looking at, but objects through the yellow light created by the glass. This is an oft overlooked factor in the discussion of colour. Colour light has more effect on us than simple blocks of colour; it changes how our perception. If I am in a white room with a pure white light, I see white. But if the light is blue, the white room (and everything in it) changes to hues and tones of blue, altering my perception.
As stated in the introduction, there are a number of aspects of coloured light that I could not, for reasons of certain limitations, discuss in my paper, although they play an important role in the dialogue. Firstly when looking at colour light we must also look at colour temperature, which plays a substantial part in the filmic process. Colour temperature defines what film stock and filters to use and thus, ultimately defining the end result of filming. However there are problems in discussing this, as any thesis would ultimately fall into the realm of the evolution of film stock. Another aspect that deserves recognition in this discourse is the medical effects of both colour light and colour temperature. Just as Goethe experimented in the 19th century, further research has taken place into how the colour temperature and colour of the lighting in a room can affect our emotional responses.
Furthermore, within this paper I have tried to present a cohesive chronology of the use of coloured light for symbolic effects. From Renaissance theatre to the Technicolor dreamscape, the use of colours in light to effect our emotions have been proven time and time again. However, from the advent of Technicolor, filmic examples appear to be more of an exception, while theatre lighting has evolved dramatically. Maltby[37] suggests that although the use of colour for symbolic purposes is still apparent in cinema, but that, colour, for the most part, has been “normalized by audience expectations”; that is, the audience now expects realistic, natural colour shots, and so filmmakers concede. Furthermore any “evident restrictions or distortions of a movies color range(..) remains relatively rare”. For the most part, it appears that the symbolic use of colour is a thing of the past.
There are only a few rare examples of symbolic colour effects in modern cinema, one of which is Steven Soderbergh’s Oscar winning film Traffic (2000). The film is set around three interwoven storylines. To distinguish between the different stories in the different settings, colour effects were used; altering the colour of light using filters. According to Soderbergh, for the East Coast scenes, he used Tungsten film with no filter to create a “monochrome blue feel”[38](Fig. 6); akin to the tinted blue films of early cinema, while in the scenes set in Mexico, tobacco filters were used to create a brown hue (Fig. 7). The varying colours were used to connect the audience with the scene through coloured light and allow them to return to a scenario following a cut from a different location. This appears to be a more stylised and intellectual use of colour lighting effects and was widely praised by critics and audiences. Perhaps audiences have been so normalized by natural colour that, once again, coloured, symbolic light can become a spectacle.
Fig. 6

Fig. 7



[1] Adolphe Appia quoted in Eskilson 2002, p.1
[2] Millerson 1991, p.15
[3] Guerin 2005, p. xiii
[4] Guerin, Ibid.
[5] Millerson 2005, p.41
[6] 2007, p.8
[7] Quoted in Yumibe 2007, p.1
[8] 1996
[9] 2007, p.1
[10] 1985 p.129
[11] Although I will use the English(U.K) spelling of “colour” throughout this article, when quoting I will use the English (U.S.) spelling if used in the referenced article.
[12] Gunning 1996 p.21
[13] 1997 p.167
[14] Image from Pilbrow 1997, p.168
[15] Wilson and Goldfarb, 1983
[16] 1997 p. 168
[17] Ibid.
[18] 1991, p.87
[19] Ibid. p.90
[20] 2006, p.34
[21] 2002, p.2
[22] In Musser et. al, 2002, p.24
[23] 2005, p.60
[24] quoted in Koszarski, 1994, p.127
[25] 1994, p.129
[26] Buscombe 1985, p.88
[27] 2003, p.248
[28] Higgins 2007, p.3
[29] quoted in Koszarski,1994, p.127
[30] quoted in Koszarski,1994, p.127
[31] 2003, p.248
[32] Ibid.
[33] Quoted in Maltby, 2003, p.249
[34] Ibid.
[35] Maltby, 2003, p.249
[36] 2006. p. 307
[37] 2003, p.250
[38] Hope, 2001


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