Wednesday, 14 August 2013

COLOR WHEEL



A Color Wheel or color circle is an abstract illustrative organization of colour hues  around a circle that shows relationships between primary colors,  secondary colors, complementary colors, etc. A color circle, based on red, yellow and blue, is traditional in the field of art. It  is a visual representation of colors arranged according to their chromatic relationship.In colour wheel, Color schemes are logical combinations of colors on the color wheel. In color theory, a color scheme is the choice of colors used in design for a range of media. By selecting the right color scheme, you can create an ambiance of elegance, warmth or tranquility, or you can convey an image of playful youthfulness.

The first color wheel was invented by Sir Isaac Newton. He split white sunlight into red, orange, yellow, green, cyan, and blue beams; then he joined the two ends of the color spectrum together to show the natural progression of colors. He  developed the first circular diagram of colors in 1666. Since then, scientists and artists have studied and designed numerous variations of this concept. The color wheel is designed so that virtually any colors you pick from it will look good together. Over the years, many variations of the basic design have been made, but the most common version is a wheel of 12 colors based on the RYB (or artistic) color model. A color wheel based on RGB (red, green, blue) or RGV (red, green, violet) additive primaries has cyan, magenta, and yellow secondaries (cyan was previously known as cyan blue). Alternatively, the same arrangement of colors around a circle can be described as based on cyan, magenta, and yellow subtractive primaries, with red, green, and blue (or violet) being secondaries.

Begin a color wheel by positioning primary hues equidistant from one another, then create a bridge between primaries using secondary and tertiary colors. Most color wheels are based on three primary colors, three secondary colors, and the six intermediates formed by mixing a primary with a secondary, known as tertiary colors, for a total of 12 main divisions; some add more intermediates, for 24 named colors. Other color wheels, however, are based on the four opponent  colors, and may have four or eight main colors.

Primary colours are three key colours - Red, Blue and Yellow. They cannot be made from any other colour. Colors at their basic essence; those colors that cannot be created by mixing others. In traditional color theory (used in paint and pigments), 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.



The three secondary colors (green, orange and purple) are created by mixing two primary colors. Each secondary color is made from the two primary colors closest to it on the color wheel.

Another six tertiary colors are created by mixing primary and secondary colors.
Complementary  colors are located opposite each other on a color wheeL.
Analogous colours are located close together on a color wheel.

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