Basic Facts on Full Color Printing
Published Time：2010-03-04 15:00:37
A color printing is the reproduction of an image or text in color instead of black and white or monochrome printing only.
Although there are many techniques for reproducing the image in color, the specific use of graphics and industrial processes for mass production, the reproduction of color images on paper. In this sense, includes the reproduction of colors can Presses for thousands or millions of impressions for the publication of newspapers and magazines, brochures, maps, posters and other similar products from the appropriate market.
With this type of industrial or commercial pressure, it is used for color images, printing, and color photographs used in the four-color printing, because four colors: the three primary colors plus black. The subtractive inks are cyan, cyan, magenta, red, purple and yellow, which will be abbreviated CMYK.
The two graphical techniques needed to prepare images for four-color printing. In prepress, the original images are forms used in machine translation printing, color separation and control about half of the muscle. These steps allow the production of printing plates, color effects that can be transferred on paper to print the principles of lithography is based.
The process of color separation starts by separating the original artwork into red, green, and blue components (for example by a digital scanner). Before digital imaging was developed, the traditional method of operation was to photograph the image three times with a filter for each color. Thus, the desired outcome of the three images in grayscale, representing the red, green and blue (RGB) elements of the original image.
The next step is to reverse each of these divisions. If a negative image of the red component is produced, the final image represents the cyan component of the image. Similarly, negative data produced green and blue with yellow and magenta separations occur, or. This is because they have the cyan, magenta and yellow are subtractive primaries which each represent two of the three primary additive colors (RGB), since the additive is removed from the white light.
Digital printing methods of today are not confined to a CMYK color space to the traditional process. Many presses can print from files ripped with images using RGB or CMYK mode. The ability to reproduce color of the color space can vary; the procedure to obtain accurate color on a color model is called color matching.
Currently, there is also a new method of full color or six rightly known asprinting, orange and green ads to the traditional CMYK for a wider and more vivid colors. Unfortunately, this replacement color is still based on color separation, half-toning and lithography to produce printed images.
Color printing can also include at least one color ink, color or multiple colors, not qualifying. The use of a limited number of colors of ink colors or special colors other than the primary colors is called color field. In general, the compositions of the spot color ink, some designed to be printed only instead of mixing with other colors on paper to create different colors and shades.
The range of paint colors available place, such as color, are almost limitless, and far more than just the colors that can be produced from four versatile color printing process. Spot Colors range from delicate pastels to bright fluorescent reflective metal.
A full-color covers a series of steps, or creates transformations; the quality of color reproduction in printed material is required.
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The article comes from: Basic Facts on Full Color Printing
