Building a better web site ...
Questy's, Science of Color
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Building a better web site ... Questy's, Science of Color |
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Subtractive colors are those that when mixed together create black. Cyan, magenta, yellow, and black, known as CMYK, are subtractive colors. Print media typically uses the CMYK color scheme. Additive colors are those that when mixed together create white. Red, green, and blue, known as RGB, are additive colors. Additive colors are typically used for computer display. Hexadecimal codes represent the additive colors meaning that it would also represent the color white with maximum values for red, green, and blue. The hexadecimal code for the color white is FFFFFF. RGB triplet coding represents the additive colors red, green, and blue meaning adding more of these colors moves the color towards white. Therefore, the color white is represented by the maximum presence of red, green, and blue, which is a value of 255 for each color. On the contrary, the RGB code for the color black is represented by a value of 0 for red, green, and blue meaning that there is no presence of these colors. Browsers like Internet Explorer can display 216 colors without dithering. These 216 colors are known as the browser-safe color palette. Dithering occurs when a computer cannot identify a color, so it approximates a color by mixing colors together from its known colors, called browser-safe colors. Browser-safe colors are guaranteed to render the same across platforms. These 216 colors can be referred to by either RGB values or hexadecimal code. Computers can actually display up to 256 colors known as the system palette, but operating systems like Microsoft Windows reserve 40 colors for its display. When these 40 colors are subtracted from the 256 colors displayed by the system palette, the browser is left with 216 browser-safe colors. To create the color cyan, green and blue electron guns are fired at the same time. Colors are displayed on a computer monitor by firing three electron guns in the colors red, green, and blue at the same time so that the colors combine. The basic color combinations are as follows: blue
and red = magenta The colors orange and blue can certainly be used on a Web page, but they may not give the intended impression. While blue is typically perceived as a color of tradition, orange is bright and flashy being perceived as trendy. Color is one of the most important Web page elements that a designer can use to convey a company's image on its Web site. In the case of the medical Web site, the bright orange color may not send a message of seriousness, which is inherent to such an industry, whereby more subdued colors do such as white, gray, and blue. Keep in mind that color is not perceived the same across cultures. A color that is seen in one culture to be vibrant could have an entirely different connotation to another culture. The HTML 4.0 Recommendation specifies that the # symbol should be placed in front of hexadecimal color codes when used within HTML. For example, the hexadecimal code for the color red including the # symbol used within the <FONT> tag would look like <FONT COLOR="#FF0000">. |
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