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Brochure Printing and Color Guide

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Brochure Printing and Color Guide Powered By Docstoc
					                                     Presented by Daniel Toriola


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                                         GETTING TO KNOW CMYK
                                                By Blur Loterina



   GETTING TO KNOW CMYK by Blur Loterina


You may wonder why colors are grouped into different modes. And no, there’s no racial discrimination
involved. For the nature of design to flow in an organized manner, there are primary colors, secondary
colors, tertiary colors, etc. If you are not familiar with the family of colors, here is one way of
understanding how they are grouped and how they are used.

The most common color groups are the RGB, HSB (Hue, Saturation and Brightness), CMYK and CIE
L*A*B. Vector and bitmap graphics are always associated with the RGB and CMYK, so we must
familiarize ourselves with these modes.

CMYK stands for cyan, magenta, yellow and black. The letter K was taken from the last letter of the
color. The first letter was not used because there are other colors that start with the letter b. in this way,
confusion of the colors will be eliminated.

CMYK colors are the inks used in the printing process to produce full-color photographs and designs.
In the principle of graphics design, these colors are called subtractive colors. When you combine two of
any of the first three colors (cyan, magenta and yellow), it will produce the three primary colors (red,
green and blue), called additive colors. In other words, CMY is the product of combining RGB and RGB
is the product of combining CMY. When the CMY colors are mixed you will have black. But there are
still other colors produced from CMYK.

Graphics files are best printed in the CMYK mode. CMYK is referred to as the standard color model, or
the four process color, used in offset printing.

Why do we use CMYK color model? We use this type of mode because it produces the greatest
number of printable colors. But it is not applicable to all types of printing, particularly when only a single
color is needed and when the spot inks, such as metallic silver and gold, are used.

All display devices, such as your computer monitor, use the RGB (red, green, and blue) mode. CMYK
is based on printing and ink absorbing into paper. Before you can have your graphics printed in CMYK



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                                  Presented by Daniel Toriola


mode, you must first convert the RGB colors into CMYK colors. This is done through color matching.
Color matching is the process in which colors are used to produce another color without altering the
original color. You can also convert the colors using the Adobe Photoshop or a desktop printer. In
converting colors during printing you must have different sheets of film for each color. The sheets must
be arranged in the CMYK format.



 For additional Information about the articles you may visit their website at
http://www.brochuresprintingonline.com




                                                                                                      Page 2
                                 Presented by Daniel Toriola


                       Basics of RGB and CMYK for ink jet printing at home
                                          By William Leung



In the world of home ink jet color printing, there is some confusion concerning CMYK color and RGB
color. Many photo enthusiasts don't realize what kind of color space their digital cameras output and
are confused when it comes to printing images off of their home ink jet printers. They hit print and
wonder why the printed image looks different from what they see on their monitor.

CMYK is the color description representing printed material, short for the colors Cyan, Magenta,
Yellow, and Black. Mixing these 4 colors together in different amounts give you the millions of colors
that reproduce the colors in printed material. These are actual inks used in printing the images you
see in color magazines and books. RGB is the color description for images viewed on your computer
monitors, short for Red, Green, and Blue. RGB color is actually light, and mixing different levels of
these light colors creates the millions of colors that come from your computer monitor. All websites
and nearly everything you see on your computer monitor is RGB unless the images have been
converted to the CMYK color space.

When you print your images on your ink jet printer from your computer, your printer prints the image
using CMYK inks. Viewing your image in RGB and then printing it out in CMYK may not yield the
results you want. Programs such as Adobe Photoshop will convert your image from RGB to CMYK or
vice versa. Some printers require the image to be CMYK before you can print the image correctly.
Some printers don't print the image correctly if the image being printed is in RGB space.

A good reason for printing with a CMYK image is to see your image in CMYK color before printing.
When an image is converted to CMYK from RGB, there may be some color changes that are
noticeable in the image. The reason for this is because many colors in RGB cannot be reproduced
using CMYK inks. That is why it is always a good idea to convert your image to a CMYK color space
before printing. You could notice significant color changes to your image, especially in the very intense
color areas of your image. Some of these intense color areas may appear less intense or very dull
once converted. With photo editing software, you can go in and fix these trouble color areas to your
liking.

Many ink jet printers on the market today actually print directly from an RGB color image. And
converting the image to CMYK may cause it to print incorrectly. You will need to determine what color
space your ink jet printer supports. The packaged software usually will give you a hint regarding color
spaces. If there is no option to convert the color space from RGB to CMYK, most likely, the printer will
print directly from an RGB color source. Usually, the higher end ink jet printers deal with the CMYK
color space as consumer level enthusiasts don't even know these color spaces exist. New higher end
ink jet printers, however, are now printing directly from the RGB color space as there is a wider
spectrum of color that can be reproduced in RGB compared to CMYK color.

If you visit the website, www.instantimagers.com, the 'Framers' and 'DVD Cover & Disc Art' designs
are provided in both RGB and CMYK color spaces. Comparing the RGB and CMYK images side by
side, you'll notice there are color differences. This is due to some RGB colors not being available as a
CMYK converted color. Both versions are provided because not all printers are alike. Some tend to
print better with one color space. Many of CMYK printed designs have been manipulated further after
conversion to match more closely the colors from the RGB color space as many of the colors in some



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                                 Presented by Daniel Toriola


designs did not covert seamlessly.

If all this seems confusing, not to worry. The key thing to remember is to print using RGB color if your
printer and software support it. Let the software and the printer worry about getting the colors right. If
you are more experienced with photo color correction and want more control over the color of the
image, print in CMYK. You'll actually be manipulating and printing the image in the color space your
ink jet printer's inks are using. You will be able to see the limits of the CMYK printing color spectrum
right on your monitor. Getting color right with RGB and CMYK is totally different from calibrating your
printer to match the colors on your monitor. That is actually the second step in getting the best color
out of your prints. Understanding the difference between RGB and CMYK is the first step in getting the
best print outs on your home ink jet printer.

William Leung is the owner of www.instantimagers.com and has over 10 years of graphic design
experience. He also possesses skills in web development, design, and multimedia design.




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                                 Presented by Daniel Toriola




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Basics of RGB and CMYK for ink jet printing at home
Graphic Designers 101
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