If you absolutely the beginner in color questions, and its representations in computers, this article will serve you as introduction in this subject.

Why there are a lot of color schemes?

Actually it is a lot of them. As a whole all of them can be divided into two types: circuits of representation of color from radiated and ambient light. All objects are visible for us because they are a light source, or shine ambient light. More clearly to understand it you should look at the sky. Before you two sorts of objects will appear: what shine (the sun, stars, comets, meteorites) and what shine ambient light (planets, companions, cosmonauts and server “World”).

In our case the radiating object is the screen monitor screen; the mirroring object is the paper, color, a pigment, which do not radiate light, and shine light which goes either from the sun, or from the artificial light source.

The human eye is not capable to distinguish color of certain color from the color received by mixing of other colors. Long since people have noticed this feature and instead of creating millions colors of various shades, only small their limited number (from hundred to three) is traditionally used, and all other colors turn out by mixing initial. These initial colors are named “primary” – primary colors.

The human eye is capable to distinguish no more than one million of colors. That is actually with a considerable quantity of colors it is not meaningful to do maps, as for the person will look equally.

In this connection color schemes – a set of the primary colors used for reception of all other colors are defined.

In given article we will lead speech about digital representation of color to which we are directly linked, creating maps by means of the computer and computer printing machines.

System RGB:

The screen (as well as any other body not radiating light) is initially dark. Its initial color is black. All other colors on it turn out by usage of a combination of such three colors (traditionally in color kinescopes three “guns” are used) which in the mixture should derivate white color. The combination “red, green, dark blue” – RGB – red/green/blue has been by practical consideration output. Black color in the circuit is absent, as we it and so we have are a color of the “black” screen. Absence of color in circuit RGB means corresponds to black color.

This system of colors is named additive (additive) that in rough translation means “adding/supplementing”. Differently we take black color (absence of color) and we add to it primary colors, adding them with each other to white color.

Quality of the map on the screen depends on such factors, as quality of the screen monitor (how much well it gives “black” color, the points making the map on the screen), quality of a video system (how much well it are how much small makes all colors of a combination of three colors), sometimes from surrounding lighting (in a dark room or on a shining sun).

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In any way, it wouldn’t be smart not to avail themselves of this chance provided to us by modern technologies. Google and other search engines, social networks and forums, blogs – all of them could assist to find info on “make a new website” and similar topics.

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