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Transcript of Color Theory
Traditional Color theory
Additive Color Theory
Subtractive Color Theory
Transparent and Integrative
Medial Color Theory
Optical Color Theory
Primary Colors, Secondary Colors, and Tertiary Colors
Primary Colors: Red, yellow and blue. In traditional color theory, primary colors are the 3 pigment colors that can not be mixed or formed by any combination of other colors. All other colors are derived from these 3 hues.
Secondary Colors: Green, orange and purple. These are the colors formed by mixing the primary colors.
Tertiary Colors: Yellow-orange, red-orange, red-purple, blue-purple, blue-green & yellow-green. These are the colors formed by mixing a primary and a secondary color.
Warm vs. Cool colors
Warm colors are vivid and energetic, and tend to advance in space. Examples include orange, yellow, and red.
Cool colors give an impression of calm, and create a soothing sensation. Examples include blue, green, and purple.
White, black and gray are considered to be neutral.
Tints, Shades, & Tones
If a color is made lighter by adding white, the result is called a tint.
If black is added, the darker version is called a shade.
And if gray is added, the result is a different tone.
Complementary color scheme: Colors that are opposite each other on the color wheel are considered to be complementary colors (example: red and green).
Analogous color scheme: Analogous color schemes use colors that are next to each other on the color wheel. They usually match well and create serene and comfortable designs.
Triadic color scheme A triadic color scheme uses colors that are evenly spaced around the color wheel.
Additive Color System
Deals with the mixture of two or more different colored lights.The mixture of different wavelengths of light creates the different colors.When all three of the additive primary colors are mixed together, they create white.White= combination of colorBlack= absence of colorComputer and Television screens use Additive Color mixing to produce images.
James Clerk Maxwell“The Father of Additive Color”
He had a photographer photograph a ribbon on black-and-white film three times, first with a red, then green, then blue color filter over the lens. The three black-and-white images were developed and then projected onto a screen with three different projectors, each equipped with the corresponding red, green, or blue color filter used to take its image. When brought into alignment, the three images (a black-and-red image, a black-and-green image and a black-and-blue image) formed a full color image.
Additive Color System
Primary colors: Red, Green, Blue
Secondary colors: cyan, magenta, and yellow Green + Blue = CyanGreen + Red = YellowBlue + Red = Magenta
Why Red, Green, and Blue?
The choice of primary colors is related to the maximum difference between the responses in the cone cells of the human retina to different wavelengths.The three kinds of light-sensitive photoreceptor cells in the human eye (cone cells) respond most to yellow, green, and violet.The use of these primary colors is not sufficient to reproduce all of the colors that can be seen by the human eye, only those within the triangle shown to the left.
Color is created by absorbing some wavelengths of light and reflecting or transmitting others. Works by blocking out parts of the spectrumThe more colors are mixed together, the darker they becomeEach color added to the first color blocks the reflection of color (thus subtracting color)
Primary Colors in Subtractive Color Mixing
Yellow, Cyan, & MagentaWhite is the absence of color. As color is added, it gets darkerWhen all 3 are mixed equally, all light is subtracted, resulting in black
Inks and other mediums that allow light to pass throughPrinting, photography
Using opaque mediums on a white surfaceOften using paints and pastels
Definition of Medial
“In the middle of. . .”
Both Additive and Subtractive mixing systems
Various Materials of Technology Utilizing Medial Color Mixing
TV ScreensComputer ScreenStage Lighting
Printing InksVarious DyesPaint
Subtractive and Additive Primary Colors
Spinning CD Disk
When colors are in motion, they mix together creating a different color
Spin Painting Process
Definition of Optical: “of or pertaining to sight or vision”
Optical Color Mixing
Is the placement of two or more colors next to each other allowing the viewer to blend them together as one color.Example: This close up portrait of George Seurat shows that Seurat used optical color mixing by using green, orange, blue, and red to make brown hair color.
Each human’s brain naturally blends colors together without physically noticing at first glance. ExamplesWhen walking outside, you look at green grass but when you get up closer you see yellow, brown, black, white grasses.When watching a Television show about two couples living together you see skin color and different forms of values but when you look close you can see the additive color systems-RGB.When printing photos you see beautiful dynamic images of color but the ink printer has an error and reveals sloppy layers of subtractive color system-CMYK.
Color Theories In Art
Op Art An Art form that applies Medial Color and Optical Color Theory Together
George SeuratUsed Optical color mixing In his famous works. Allowing the viewer’s eye to blend the colors.Pictured: “A Sunday Afternoon on the Island of La Grand Jatte”
Chuck ClosePainting portraits by utilizing optical color mixing. Pictured: Self Portrait