The color mode in Changchun web page production is an element that needs attention in web page production. The color mode of Changchun web page production is the method of choosing various colors when making web pages on the Internet, which can be represented by three groups of hexadecimal numbers or English color names. In HyperText Markup Language (HTML) and CSS, a color is represented by 6 hexadecimal digits divided into 3 bytes. Each byte ranges from 00 to FF, equivalent to decimal numbers ranging from 0 to 255. In order, the first two digits represent the value of red, the middle two represent green, and the last two represent blue. Since web pages (WEB) are media developed based on computer browsers, the colors are mainly optical colors RGB (red, green, blue). Web colors are represented by hexadecimal codes, usually starting with the "#" sign, followed by the hexadecimal numbers for R, G, and B respectively. FF is the maximum number, representing 255 in decimal. For example, white has the maximum values of R, G, and B, so its web code is: #FFFFFF. Black has all three colors as 0, so its web code is: #000000. When the color code allows, it can be represented as #XYZ, such as #135 representing the same color. For example, if the proportions of red, green, and blue in a color are 36, 104, and 160 in decimal, they would be 24, 68, and A0 in hexadecimal, so the hexadecimal representation would be: #2468A0. If the number is less than 16, it will be less than 10 in hexadecimal, and a 0 must be added in front, such as 0, 1, and 2 in decimal being represented as: #000102 in hexadecimal. Therefore, the total number of colors that can be represented is: 256×256×256=16,777,216. For more exciting content about Changchun web page production, you can visit the website of Zhidian Technology.