In any narrative, the focal character is the character on whom the audience is meant to place the majority of their interest and attention. He or she is almost always also the protagonist of the story; however, in cases where the "focal character" and "protagonist" are separate, the focal character's emotions and ambitions are not meant to be empathized with by the audience to as high an extent as the protagonist (this is the main difference between the two character terms). The focal character is mostly created to simply be the "excitement" of the story, though not necessarily the main character about whom the audience is emotionally concerned. The focal character is, more than anyone else, "the person on whom the spotlight focuses; the center of attention; the man whose reactions dominate the screen."^[1]

For example, in Gaston Leroux's The Phantom of the Opera, the protagonist is Christine Daaé (the audience is concerned mostly with her emotions, aims, and well-being), while the focal character is the "Phantom" (the audience is concerned mostly with the allure of his actions and reactions—though to some degree, later on, his emotions as well).

The focal character is also not necessarily the same thing as the viewpoint character, through whose perspective the story is seen. In Sir Arthur Conan Doyle's works of Sherlock Holmes, Watson is the viewpoint character, but the story revolves around Holmes, making him the focal character.

References[link]

1. ^ Swain, Dwight V. (1965). Techniques of the Selling Writer. Norman: University of Oklahoma Press. pp. 320–323. ISBN 0-8061-1191-7 (paper). 

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Sarah Paulson
Paulson at 2011 TIFF screening of Martha Marcy May Marlene
Born	Sarah Catharine Paulson (1975-12-17) December 17, 1975 (age 36) Tampa, Florida, U.S.
Occupation	Actress
Years active	1994–present
Partner	Cherry Jones (2005–2009)[1]

Sarah Catharine Paulson (born December 17, 1975^[2] or December 17, 1974^[3]) is an American actress.

Career[link]

She was a series regular on the cult television show American Gothic and The WB series Jack & Jill (1999), playing the character "Elisa Cronkite". In addition, she had a minor role in the HBO series Deadwood and was a focal character in an episode of the critically acclaimed FX series Nip/Tuck.

Paulson appeared on the short-lived NBC series Leap of Faith (2002) as the main character. In 2004, she had a supporting role in the ABC series The D.A., but that show also ended after a few episodes.

Paulson starred in a revival of The Glass Menagerie on Broadway and has appeared Off-Broadway in Killer Joe, Talking Pictures, and Colder Than Here. Paulson's movie credits include Down with Love, What Women Want, The Other Sister, Levitation, and Serenity.

In the 2006-07 television season, Paulson co-starred in NBC's Studio 60 on the Sunset Strip playing Harriet Hayes, one of the stars of the show-within-a-show. To date, this is her most notable role, earning her a nomination for Golden Globe Award for Best Supporting Actress – Series, Miniseries or Television Film. In December 2008, Paulson appeared in the screen adaptation of Will Eisner's comic book The Spirit, playing an updated version of the character Ellen Dolan.

On August 25, 2008, ABC ordered her pilot Cupid to series. It was a remake of the 1998 series starring Jeremy Piven and Paula Marshall. In the new version, Paulson starred opposite Bobby Cannavale. It in late March 2009 on ABC but was canceled on May 19, 2009, after only 6 episodes aired.

In February 2010, Paulson portrayed the circa 1982 mother of main character Meredith Grey, on the hit ABC primetime drama Grey's Anatomy.^[4] She plays Nicolle Wallace in the HBO film Game Change (2012) based on events of the 2008 U.S. presidential election campaign.

Personal life[link]

Paulson was born in Tampa, Florida, and raised in Brooklyn and Maine.

Paulson dated the actress Cherry Jones, who has been accused of indirectly outing Paulson in her acceptance speech after winning a Tony Award (2005). Jones thanked her by the name of the character she was currently playing, "Laura Wingfield" in The Glass Menagerie.^[1] However, the pair had attended the awards together and kissed right after Jones won, thus making it clear that Paulson was not secretive about the relationship. In 2007, Paulson and Jones declared their love for each other in an interview with Velvetpark at Women's Event 10 for the LGBT Center of NYC.^[5] They have since broken up.^[6]

Filmography[link]

Paulson at the 51st Annual Drama Desk Awards, May 21, 2006

Award nominations[link]

References[link]

External links[link]

• Sarah Paulson at the Internet Broadway Database
• Sarah Paulson at the Internet Movie Database

Rachel Dratch
Dratch at the 2012 Tribeca Film Festival premiere of Teacher of the Year
Born	Rachel Susan Dratch (1966-02-22) February 22, 1966 (age 46) Lexington, Massachusetts, U.S.
Occupation	Actress, comedian
Years active	1994–present

Rachel Susan Dratch (born February 22, 1966) is an American comic actress best known for her roles as a cast member of Saturday Night Live from 1999 to 2006.

Early life[link]

Dratch was born in Lexington, Massachusetts,^[1] the daughter of Elaine, a transportation director, and Paul Dratch, a radiologist.^[2] Her younger brother, Daniel, is a television producer and writer, most recently on Monk. Dratch grew up the "class clown type",^[1] attending William Diamond Middle School and Lexington High School in Massachusetts.

Dratch attended the National Theater Institute in the fall of 1986,^{[citation needed]} and graduated from Dartmouth College in 1988, where she majored in drama and psychology and was a member of the improvisational comedy group "Said and Done".^[1]

Career[link]

Dratch was a member of the mainstage cast of the Second City comedy troupe for four years. She received the Joseph Jefferson award for Best Actress in a Revue for the latter two revues in which she performed: Paradigm Lost and Promisekeepers, Losers Weepers. At Second City, she performed alongside future SNL head writers Adam McKay and Tina Fey, as well as future 30 Rock performer Scott Adsit. The first incarnation of her SNL "Wicked" sketch was performed in Second City's Paradigm Lost. In addition to acting, Dratch also played the cello onstage. The theater also hosted the first incarnation of Dratch & Fey (her critically praised^{[citation needed]} two-woman show with Tina Fey), which was later performed at the Upright Citizens Brigade Theatre in New York, where it was dubbed "the funniest thing to be found on any New York comedy stage" by Time Out New York.^{[citation needed]}

Dratch wrote, directed, and performed in The Vagina Monologues which was shown in 2001 at the New York Comedy Film Festival.^[1]

Dratch has appeared in several movies, including Martin & Orloff, The Hebrew Hammer, Down with Love, Dickie Roberts: Former Child Star, Click, I Now Pronounce You Chuck and Larry, Spring Breakdown, and My Life in Ruins. She also has joined fellow SNL cast members on A.S.S.S.S.C.A.T.: Improv, which aired September 7, 2005, on the Bravo channel. Dratch also made television appearances on NBC's Third Watch and in a recurring role on King of Queens (playing Denise, the on-off girlfriend of Spence, who worked in a bowling alley). Other television appearances include Monk, Frasier, Wizards of Waverly Place, 30 Rock, Aqua Teen Hunger Force, and, more recently, the season three finale of Ugly Betty. She recently appeared online with comedian Billy Eichner in a spoof of Jay-Z's and Alicia Keys's "Empire State of Mind," titled "Forest Hills State of Mind."^[3]

Dratch was originally cast in the role of Jenna on 30 Rock, and the original pilot episode features her in the role. It did not test well, and the role was recast. She went on to play a variety of small guest roles in several episodes of the first season, including Barbara Walters, Elizabeth Taylor, a cat trainer, a maid and a blue monster.^[4]

She has also appeared on the children's show Yo Gabba Gabba!.

She voices Koi and Esmargot from the show Fish Hooks.

On March 19th, 2012, Dratch's first memoir, Girl Walks Into A Bar: Comedy Calamities, Dating Disasters, and a Midlife Miracle was published. In Girl Walks Into A Bar... Dratch recounts her experiences after being recast in the 30 Rock pilot, including the birth of her first child. ^[5]

[edit] Saturday Night Live

Her tenure at SNL spanned 1999 to 2006. Dratch's recurring characters included Boston teens Sully and Denise; Sheldon, the junior-high-school boy from Wake up, Wakefield; the Lovers (with Will Ferrell, as two pretentious professors); Abe Scheinwald, a Hollywood producer; and Debbie Downer, a depressed woman who creeped others out with disturbing non sequiturs.^[6] In December 2011, she made a guest appearance on Saturday Night Live's Christmas show, hosted by Jimmy Fallon.

Personal life[link]

Dratch was raised in a Reform Jewish family,^[7] and had a Bat Mitzvah, but is not observant as an adult, characterizing the faith she was born into as part of her cultural heritage.^[1]

Dratch met John Wahl, a California-based consultant in the natural foods industry, in a bar in 2009. Six months later, she became pregnant, and gave birth to a baby boy, Eli Benjamin, on August 24, 2010.^[8] In an October 2010 interview, Dratch told People that her pregnancy at age 44 shocked her, because she "had bought into all this stuff about, 'Once you're over 40...'", and had "gone through the whole process of letting go of [the idea of having kids]". Wahl has since moved to New York City to be closer to Dratch and their son.^[9]

References[link]

External links[link]

• Rachel Dratch at the Internet Movie Database

Peter Greene (born Peter Green; October 8, 1965) is an American character actor.

A native of Montclair, New Jersey, Greene did not pursue a career in acting until his mid 20s. He initially landed several roles in cinema and television in the early 1990s.

Greene's breakthrough came in 1994-1995 with a role in Pulp Fiction, The Mask, Clean, Shaven, and The Usual Suspects. Greene is possibly best remembered for his role in Pulp Fiction, as Zed who rapes Marsellus Wallace. The Mask saw him play the villainous Dorian Tyrell opposite Jim Carrey and Cameron Diaz. Greene's most accomplished role was that of schizophrenic Peter Winter in Clean, Shaven. The Usual Suspects saw him play the small but memorable character, Redfoot. Greene often plays villains such as in Under Siege 2: Dark Territory, Training Day (as a corrupt narcotics officer) and martial arts/crime film Fist of the Warrior (opposite Ho-Sung Pak, Roger Guenveur Smith and Sherilyn Fenn).

He worked with one director, Jordan Alan, twice: once on the film Kiss and Tell, a dark comic turn for the actor and then again 4 years later in The Gentleman Bandit (aka Gentleman B). After Greene's arrests in 1998 for drug related crimes, Alan had to put the actor through rehab to get him through the second film and eventually, after coming upon Greene doing heroin with Mike Starr, he was forced to replace Greene's voice because of the vocal problems caused by drugs. Despite these problems, Mr. Alan vouched for Greene to producer Tobe Jaffe for the movie Blue Streak, in which Greene played Martin Lawrence's nemesis.

Greene has continued to work mostly as a character actor. He appeared in the short-lived television drama The Black Donnellys. He also appeared as a policeman in Prodigy of Mobb Deep's video for "A,B,C's", as well as the focal character in House of Pain's video for "Fed Up".

Greene recently appeared in the opening scene of the premiere of the new FX series Justified.

Filmography[link]

• Hawaii Five-0 (2012), Rick Peterson
• The Bounty Hunter (2010), Mahler
• Justified (2010), Thomas Buckley
• Dead Metropolis (2009) (in production), Dr. Frost
• Caller ID (2010) (post-production), Admissions Counselor
• Sweet Lorraine (2010) (post-production), Marcus
• Earthling (2010), Swinnert
• Once Fallen (2009) (post-production), Sonny Coogan
• The Grasslands (2009) (post-production), Baby John
• Shanghai Hotel (2008) (post-production), Mr. Capuzzi
• Once More (2009) (completed), Jack
• Forget Me Not (2009) (completed), Boyfriend
• Blue Knight (2009), Sergeant Donato
• Clown (2008), Clown
• Life on Mars (2008) (U.S. TV Series), Jimmy McManus
• I'm Calling Frank (2007), Bobby
• Bloom (2007), Jim
• Final Engagement (2007), Priest
• Love Hollywood Style (2006), Theodor Caruso
• End Game (2006), Jack Baldwin
• Brothers in Arms (2005), Bert
• H. G. Wells' War of the Worlds (2005), Matt Herbert
• From the Day in (2005), Chat
• Lesser of Three Evils (2005), John Lowe
• Confession (2005), Detective William Fletcher
• Black Cloud (2004), Norm Olsen
• Under the Influence (2002), Stephen Tally
• Dead Dogs Lie (2001), Marcus Devlin
• Scenes of the Crime (2001), Rick
• Training Day (2001), Jeff
• Ticker (2001), Det. Artie Pluchinsky
• Nobody's Baby (2001), Vern
• Shadow Hours (2000), Det. Steve Andrianson
• Gentleman B. (2000), Manny Breen
• Blue Streak (1999), Deacon
• Out in Fifty (1999), Tony Grayson
• The Boss (1999)
• Permanent Midnight (1998), Gus
• Do Me a Favor (1997), Teddy
• Double Tap (1997), Nash
• The Rich Man's Wife (1996), Cole Wilson
• Coyote Run (1996), Clifton Santier / Bosco
• Kiss & Tell (1996), Detective John Finnigan
• Snakeland (1996), Johnny
• Lowball (1996), John
• Bang (1995), Adam
• Under Siege 2: Dark Territory (1995), Mercenary #1
• The Usual Suspects (1995) (uncredited), Redfoot the Fence
• The Mask (1994), Dorian Tyrell
• Pulp Fiction (1994), Zed
• Judgment Night (1993), Sykes
• Clean, Shaven (1993), Peter Winter
• Laws of Gravity (1992), Jimmy

External links[link]

• Peter Greene at the Internet Movie Database

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (August 2008)

In the visual arts, color theory is a body of practical guidance to color mixing and the visual impacts of specific color combination. There are also definitions (or categories) of colors based on the color wheel: primary color, secondary color and tertiary color. Although color theory principles first appeared in the writings of Leone Battista Alberti (c.1435) and the notebooks of Leonardo da Vinci (c.1490), a tradition of "colory theory" began in the 18th century, initially within a partisan controversy around Isaac Newton's theory of color (Opticks, 1704) and the nature of so-called primary colors. From there it developed as an independent artistic tradition with only superficial reference to colorimetry and vision science.

Color abstractions[link]

Additive color mixing		Subtractive color mixing

The foundations of pre-20th-century color theory were built around "pure" or ideal colors, characterized by sensory experiences rather than attributes of the physical world. This has led to a number of inaccuracies in traditional color theory principles that are not always remedied in modern formulations.^{[citation needed]}

The most important problem has been a confusion between the behavior of light mixtures, called additive color, and the behavior of paint or ink or dye or pigment mixtures, called subtractive color. This problem arises because the absorption of light by material substances follows different rules from the perception of light by the eye.

A second problem has been the failure to describe the very important effects of strong luminance (lightness) contrasts in the appearance of colors reflected from a surface (such as paints or inks) as opposed to colors of light; "colors" such as browns or ochres cannot appear in mixtures of light. Thus, a strong lightness contrast between a mid-valued yellow paint and a surrounding bright white makes the yellow appear to be green or brown, while a strong brightness contrast between a rainbow and the surrounding sky makes the yellow in a rainbow appear to be a fainter yellow, or white.

A third problem has been the tendency to describe color effects holistically or categorically, for example as a contrast between "yellow" and "blue" conceived as generic colors, when most color effects are due to contrasts on three relative attributes that define all colors:

1. lightness (light vs. dark, or white vs. black),
2. saturation (intense vs. dull), and
3. hue (e.g., red, orange, yellow, green, blue or purple).

Thus, the visual impact of "yellow" vs. "blue" hues in visual design depends on the relative lightness and intensity of the hues.

These confusions are partly historical, and arose in scientific uncertainty about color perception that was not resolved until the late 19th century, when the artistic notions were already entrenched. However, they also arise from the attempt to describe the highly contextual and flexible behavior of color perception in terms of abstract color sensations that can be generated equivalently by any visual media.

Many historical "color theorists" have assumed that three "pure" primary colors can mix all possible colors, and that any failure of specific paints or inks to match this ideal performance is due to the impurity or imperfection of the colorants. In reality, only imaginary "primary colors" used in colorimetry can "mix" or quantify all visible (perceptually possible) colors; but to do this, these imaginary primaries are defined as lying outside the range of visible colors; i.e., they cannot be seen. Any three real "primary" colors of light, paint or ink can mix only a limited range of colors, called a gamut, which is always smaller (contains fewer colors) than the full range of colors humans can perceive.^{[citation needed]}

Historical background[link]

Color theory was originally formulated in terms of three "primary" or "primitive" colors—red, yellow and blue (RYB)—because these colors were believed capable of mixing all other colors. This color mixing behavior had long been known to printers, dyers and painters, but these trades preferred pure pigments to primary color mixtures, because the mixtures were too dull (unsaturated).

Goethe's color wheel from his 1810 Theory of Colours

The RYB primary colors became the foundation of 18th century theories of color vision, as the fundamental sensory qualities that are blended in the perception of all physical colors and equally in the physical mixture of pigments or dyes. These theories were enhanced by 18th-century investigations of a variety of purely psychological color effects, in particular the contrast between "complementary" or opposing hues that are produced by color afterimages and in the contrasting shadows in colored light. These ideas and many personal color observations were summarized in two founding documents in color theory: the Theory of Colours (1810) by the German poet and government minister Johann Wolfgang von Goethe, and The Law of Simultaneous Color Contrast (1839) by the French industrial chemist Michel Eugène Chevreul.

Subsequently, German and English scientists established in the late 19th century that color perception is best described in terms of a different set of primary colors—red, green and blue violet (RGB)—modeled through the additive mixture of three monochromatic lights. Subsequent research anchored these primary colors in the differing responses to light by three types of color receptors or cones in the retina (trichromacy). On this basis the quantitative description of color mixture or colorimetry developed in the early 20th century, along with a series of increasingly sophisticated models of color space and color perception, such as the opponent process theory.

Across the same period, industrial chemistry radically expanded the color range of lightfast synthetic pigments, allowing for substantially improved saturation in color mixtures of dyes, paints and inks. It also created the dyes and chemical processes necessary for color photography. As a result three-color printing became aesthetically and economically feasible in mass printed media, and the artists' color theory was adapted to primary colors most effective in inks or photographic dyes: cyan, magenta, and yellow (CMY). (In printing, dark colors are supplemented by a black ink, known as the CMYK system; in both printing and photography, white is provided by the color of the paper.) These CMY primary colors were reconciled with the RGB primaries, and subtractive color mixing with additive color mixing, by defining the CMY primaries as substances that absorbed only one of the retinal primary colors: cyan absorbs only red (−R+G+B), magenta only green (+R−G+B), and yellow only blue violet (+R+G−B). It is important to add that the CMYK, or process, color printing is meant as an economical way of producing a wide range of colors for printing, but is deficient in reproducing certain colors, notably orange and slightly deficient in reproducing purples. A wider range of color can be obtained with the addition of other colors to the printing process, such as in Pantone's Hexachrome printing ink system (six colors), among others.

Munsell's color system represented as a three-dimensional solid showing all three color making attributes: lightness, saturation and hue.

For much of the 19th century artistic color theory either lagged behind scientific understanding or was augmented by science books written for the lay public, in particular Modern Chromatics (1879) by the American physicist Ogden Rood, and early color atlases developed by Albert Munsell (Munsell Book of Color, 1915, see Munsell color system) and Wilhelm Ostwald (Color Atlas, 1919). Major advances were made in the early 20th century by artists teaching or associated with the German Bauhaus, in particular Wassily Kandinsky, Johannes Itten, Faber Birren and Josef Albers, whose writings mix speculation with an empirical or demonstration-based study of color design principles.

Contemporary color theory must address the expanded range of media created by digital media and print management systems, which substantially expand the range of imaging systems and viewing contexts in which color can be used. These applications are areas of intensive research, much of it proprietary; artistic color theory has little to say about these complex new opportunities.^{[citation needed]}

Traditional color theory[link]

Complementary colors[link]

Chevreul's 1855 "chromatic diagram" based on the RYB color model, showing complementary colors and other relationships

For the mixing of colored light, Newton's color wheel is often used to describe complementary colors, which are colors which cancel each other's hue to produce an achromatic (white, gray or black) light mixture. Newton offered as a conjecture that colors exactly opposite one another on the hue circle cancel out each other's hue; this concept was demonstrated more thoroughly in the 19th century.^{[citation needed]}

A key assumption in Newton's hue circle was that the "fiery" or maximum saturated hues are located on the outer circumference of the circle, while achromatic white is at the center. Then the saturation of the mixture of two spectral hues was predicted by the straight line between them; the mixture of three colors was predicted by the "center of gravity" or centroid of three triangle points, and so on.

Primary, secondary, and tertiary colors of the RYB color model

According to traditional color theory based on subtractive primary colors and the RYB color model, which is derived from paint mixtures, yellow mixed with violet, orange mixed with blue, or red mixed with green produces an equivalent gray and are the painter's complementary colors. These contrasts form the basis of Chevreul's law of color contrast: colors that appear together will be altered as if mixed with the complementary color of the other color. Thus, a piece of yellow fabric placed on a blue background will appear tinted orange, because orange is the complementary color to blue.

Unfortunately, the artists' primary colors are not the same as complementary colors defined by light mixtures. This discrepancy becomes important when color theory is applied across media. Digital color management uses a hue circle defined around the additive primary colors (the RGB color model), as the colors in a computer monitor are additive mixtures of light, not subtractive mixtures of paints.

One reason the artist's primary colors even work at all is that the imperfect pigments being used have sloped absorption curves, and thus change color with concentration. A pigment that is pure red at high concentrations can behave more like magenta at low concentrations. This allows it to make purples that would otherwise be impossible. Likewise, a blue that is ultramarine at high concentrations appears cyan at low concentrations, allowing it to be used to mix green. Chromium red pigments can appear orange, and then yellow, as the concentration is reduced. It is even possible to mix very low concentrations of the blue mentioned and the chromium red to get a greenish color. This works much better with oil colors than it does with water colors and dyes.

So the old primaries depend on sloped absorption curves and pigment leakages to work, while the new scientifically derived ones depend solely on controlling the amount of absorption in certain parts of the spectrum.

Another reason the correct primary colors were not used by early artists is that they were not available as durable pigments. Modern methods in chemistry were needed to produce them.

Warm vs. cool colors[link]

The distinction between warm and cool colors has been important since at least the late 18th century.^[1] It is generally not remarked in modern color science or colorimetry in reference to painting, but is still used in design practices today.^{[citation needed]} The contrast, as traced by etymologies in the Oxford English Dictionary, seems related to the observed contrast in landscape light, between the "warm" colors associated with daylight or sunset and the "cool" colors associated with a gray or overcast day. Warm colors are often said to be hues from red through yellow, browns and tans included; cool colors are often said to be the hues from blue green through blue violet, most grays included. There is historical disagreement about the colors that anchor the polarity, but 19th century sources put the peak contrast between red orange and greenish blue.

Color theory has ascribed perceptual and psychological effects to this contrast. Warm colors are said to advance or appear more active in a painting, while cool colors tend to recede; used in interior design or fashion, warm colors are said to arouse or stimulate the viewer, while cool colors calm and relax. Most of these effects, to the extent they are real, can be attributed to the higher saturation and lighter value of warm pigments in contrast to cool pigments. Thus, brown is a dark, unsaturated warm color that few people think of as visually active or psychologically arousing.

Compare the traditional warm–cool association of color with the color temperature of a theoretical radiating black body, where the association of color with temperature is reversed. For instance, the hottest stars radiate blue light (i.e., with shorter wavelength and higher frequency) and the coolest radiate red.

The hottest radiating bodies (e.g. stars) have a "cool" color while the less hot bodies radiate with a "warm" color. (Image in mired scale.)

Achromatic colors[link]

Any color that lacks strong chromatic content is said to be unsaturated, achromatic, or near neutral. Pure achromatic colors include black, white and all grays; near neutrals include browns, tans, pastels and darker colors. Near neutrals can be of any hue or lightness.

Neutrals are obtained by mixing pure colors with white, black or grey, or by mixing two complementary colors. In color theory, neutral colors are colors easily modified by adjacent more saturated colors and they appear to take on the hue complementary to the saturated color. Next to a bright red couch, a gray wall will appear distinctly greenish.

Black and white have long been known to combine well with almost any other colors; black increases the apparent saturation or brightness of colors paired with it, and white shows off all hues to equal effect.^{[citation needed]}

Tints and shades[link]

When mixing colored light (additive color models), the achromatic mixture of spectrally balanced red, green and blue (RGB) is always white, not gray or black. When we mix colorants, such as the pigments in paint mixtures, a color is produced which is always darker and lower in chroma, or saturation, than the parent colors. This moves the mixed color toward a neutral color—a gray or near-black. Lights are made brighter or dimmer by adjusting their brightness, or energy level; in painting, lightness is adjusted through mixture with white, black or a color's complement.

It is common among some painters to darken a paint color by adding black paint—producing colors called shades—or lighten a color by adding white—producing colors called tints. However it is not always the best way for representational painting, as an unfortunate result is for colors to also shift in hue. For instance, darkening a color by adding black can cause colors such as yellows, reds and oranges, to shift toward the greenish or bluish part of the spectrum. Lightening a color by adding white can cause a shift towards blue when mixed with reds and oranges. Another practice when darkening a color is to use its opposite, or complementary, color (e.g. purplish-red added to yellowish-green) in order to neutralize it without a shift in hue, and darken it if the additive color is darker than the parent color. When lightening a color this hue shift can be corrected with the addition of a small amount of an adjacent color to bring the hue of the mixture back in line with the parent color (e.g. adding a small amount of orange to a mixture of red and white will correct the tendency of this mixture to shift slightly towards the blue end of the spectrum).

Split primary colors[link]

In painting and other visual arts, two-dimensional color wheels or three-dimensional color solids are used as tools to teach beginners the essential relationships between colors. The organization of colors in a particular color model depends on the purpose of that model: some models show relationships based on human color perception, whereas others are based on the color mixing properties of a particular medium such as a computer display or set of paints.

This system is still popular among contemporary painters,^{[citation needed]} as it is basically a simplified version of Newton's geometrical rule that colors closer together on the hue circle will produce more vibrant mixtures. However, with the range of contemporary paints available, many artists simply add more paints to their palette as desired for a variety of practical reasons. For example, they may add a scarlet, purple and/or green paint to expand the mixable gamut; and they include one or more dark colors (especially "earth" colors such as yellow ochre or burnt sienna) simply because they are convenient to have premixed.^{[citation needed]} Printers commonly augment a CYMK palette with spot (trademark specific) ink colors.

Color harmony and color meaning[link]

It has been suggested that "Colors seen together to produce a pleasing affective response are said to be in harmony".^[2] However, color harmony is a somewhat misleading notion in that responses to color can be influenced by a range of different factors including individual differences (age, gender, etc.); cultural and social differences; as well as contextual, temporal and perceptual factors. The following conceptual model illustrates this approach to color harmony:

Failed to parse (Missing texvc executable; please see math/README to configure.): \text{Color harmony} = f(\text{Col} 1, 2, 3, \dots, n) \cdot (ID + CE + CX + P + T)

Wherein color harmony is a function (f) of the interaction between color/s (Col 1, 2, 3, …, n) and the factors that influence positive aesthetic response to color: individual differences (ID) such as age, gender, personality and affective state; cultural experiences (CE), the prevailing context (CX) which includes setting and ambient lighting; intervening perceptual effects (P) and the effects of time (T) in terms of prevailing social trends.^[3]

In addition, given that humans can perceive over 2.8 million different hues,^[4] it has been suggested that the number of possible color combinations is virtually infinite thereby implying that predictive color harmony formulae are fundamentally unsound.^[5] Despite this, many color theorists have devised formulae, principles or guidelines for color combination with the aim being to predict or specify positive aesthetic response or "color harmony". Color wheel models have often been used as a basis for color combination principles or guidelines and for defining relationships between colors. Some theorists and artists believe juxtapositions of complementary color will produce strong contrast, a sense of visual tension as well as "color harmony"; while others believe juxtapositions of analogous colors will elicit positive aesthetic response. Color combination guidelines suggest that colors next to each other on the color wheel model (analogous colors) tend to produce a single-hued or monochromatic color experience and some theorists also refer to these as "simple harmonies". In addition, split complementary color schemes usually depict a range of analogous hues plus a key complementary color. A triadic color scheme adopts any three colors approximately equidistant around a color wheel model. Feisner and Mahnke are among a number of authors who provide color combination guidelines in greater detail.^[6][7]

Color combination formulae and principles may provide some guidance but have limited practical application. This is because of the influence of contextual, perceptual and temporal factors which will influence how color/s are perceived in any given situation, setting or context. Such formulae and principles may be useful in fashion, interior and graphic design, but much depends on the tastes, lifestyle and cultural norms of the viewer or consumer.

As early as the ancient Greek philosophers, many theorists have devised color associations and linked particular connotative meanings to specific colors. However, connotative color associations and color symbolism tends to be culture-bound and may also vary across different contexts and circumstances. For example, red has many different connotative and symbolic meanings from exciting, arousing, sensual, romantic and feminine; to a symbol of good luck; and also acts as a signal of danger. Such color associations tend to be learned and do not necessarily hold irrespective of individual and cultural differences or contextual, temporal or perceptual factors.^[8] It is important to note that while color symbolism and color associations exist, their existence does not provide evidential support for color psychology or claims that color has therapeutic properties.^[9]

Current status[link]

Color theory has not developed an explicit explanation of how specific media affect color appearance: colors have always been defined in the abstract, and whether the colors were inks or paints, oils or watercolors, transparencies or reflecting prints, computer displays or movie theaters, was not considered especially relevant.^{[citation needed]} Josef Albers investigated the effects of relative contrast and color saturation on the illusion of transparency, but this is an exception to the rule.^[10]

References[link]

1. ^ "color temperature". handprint. 2009-04-19. http://www.handprint.com/HP/WCL/color12.html. Retrieved 2011-06-09. 
2. ^ Burchett, K. E. (2002). Color harmony. Color Research and Application, 27 (1), pp28-31.
3. ^ O'Connor, Z. (2010). Color harmony revisited. Color Research and Application, 35 (4), pp267-273.
4. ^ Pointer, M. R. & Attridge, G.G. (1998). The number of discernible colors. Color Research and Application, 23 (1), pp52-54.
5. ^ Hard, A. & Sivik, L. (2001). A theory of colors in combination - A descriptive model related to the NCS color-order system. Color Research and Application, 26 (1), pp4-28.
6. ^ Feisner, E. A. (2000). Colour: How to use colour in art and design. London: Laurence King.
7. ^ Mahnke, F. (1996). Color, environment and human response. New York: John Wiley & Sons.
8. ^ Bellantoni, Patti (2005). If it's Purple, Someone's Gonna Die. Elsevier, Focal Press. ISBN 0-240-80688-3. 
9. ^ O'Connor, Z. (2010). Colour psychology and colour therapy: Caveat emptor. Color Research and Application, (Published online in 'EarlyView' in advance of print).
10. ^ Albers, Josef (2006). Interaction of Color. Revised and Expanded Edition. Yale University Press. ISBN 0-300-11595-4. 

External links[link]

• Color Theory Tutorial by Worqx
• Handprint.com : Color - a comprehensive site about color perception, color psychology, color theory, and color mixing
• Color Theory in Landscape Design
• The Dimensions of Colour - color theory for artists using digital/ traditional media
• Color Thesaurus World's Largest Database of Color Names
• Stanford University CS 178 interactive Flash demo introducing trichromatic color theory.
• App that generates harmonious color palettes from photos based on color theory