Why There Are Color Differences in Printing from your PC

Written by Paul Curran

This article describesrepparttar basic properties of color, whatrepparttar 148753 relationships are between them andrepparttar 148754 differences between what you see and what you actually get using your inkjet cartridges.


Most of you will have come across these three; Hue, Saturation and Brightness; if you have ever messed around with color settings of your images.

Hue: For example; blue, green and violet are all hues. They are colors. The dictionary definition of 'Hue' is; "the attributes of colors that permits them to be classed as red, yellow, green, blue or an intermediate between any adjacent pair of these colors."

Saturation: This refers to how vividrepparttar 148755 color is. The higherrepparttar 148756 amount of gray relative torepparttar 148757 amount of hue,repparttar 148758 less vivid it will be.

Brightness: Relates torepparttar 148759 relative darkness or lightness ofrepparttar 148760 color.

In 1905 American artist A. Munsell published a color measurement system, namingrepparttar 148761 three parameters, Hue, Value and Chroma (Hue, Saturation and Brightness as above). This three dimensional relationship resulted in color identification in this format, for example; 7.5YR 7/12. Here we have a yellow-red hue tending with a value of 7 and a chroma of 12. There are 40 pages inrepparttar 148762 book covering all colors inrepparttar 148763 complete Munsell system.

Monitor and printer color production

Printer: Printer colors are produced from inkjet cartridges emitting minute patterns of ink dots placed on paper. All colors that you see come from just four colors; cyan (C), magenta (M), yellow (Y) and black (K).

As an aside, a mixture of cyan, magenta and yellow should produce black, but in reality a touch of black is needed to get it.

Monitor A phosphor is a substance that emits light when subjected to radiation. Color phosphors are illuminated with electrons in your monitor and hence images are produced. There are three colored phosphors in each pixel onrepparttar 148764 screen; red (R), green (G) and blue (B).

Eliminate Adware and Spyware

Written by Gary Gresham

Everyone should eliminate spyware and adware from your hard drive for your computer privacy protection. Spyware and adware programs also slow downrepparttar speed of your computer by cluttering your hard drive with annoying programs. Once you eliminate adware and spyware, your computer speed will improve immediately. Spyware compromisesrepparttar 148676 security of your personal information becauserepparttar 148677 creators of these hidden programs can get access to your desktop even while you are offline. Adware creates annoying pop ups while you userepparttar 148678 Internet. It can change your home page and even hijack certain pages to display their own messages, which are sometimes obscene. One ofrepparttar 148679 most effective ways to stop spyware and adware isrepparttar 148680 use of computer firewall protection. These programs eliminate incoming spyware and adware that is attached torepparttar 148681 legitimate data that you download when surfingrepparttar 148682 web. Some computer firewall protection programs displayrepparttar 148683 number of attempted 'hacks', which includes any illegitimate programs or data: spyware, adware, or other potentially harmful files such as viruses.

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