Detailed explanation of the way to express color in HTML, including 6-digit hexadecimal code and rgb or keywords

The most commonly used color representation in html is the 6-digit hexadecimal code representation. In addition, the color can also be represented by rgb (r, g, b). The r, g, and b in the brackets are 0-255 respectively. Decimal numbers or percentages represent red, green and blue. Friends who are interested can learn more. There are three ways to represent colors in HTML, the most commonly used is the 6-digit hexadecimal code representation. For example, bgcolor=#ff0000; where # just means using a 6-digit hexadecimal color code to declare the color. The first two digits of the code, ff, represent red among the three primary colors. The range is of course 00-ff in hexadecimal, the middle two digits, 00, represent green, the last two digits, 00, represent blue, 00 represents no color, and ff represents the maximum color. powerful. So 000000 represents black, ffffff represents white, similarly ff0000 represents pure red, 00ff00 represents pure green, and 0000ff represents pure blue.

In addition, colors can also be represented by rgb(r,g,b). The r,g,b in brackets represent red, green and blue respectively in decimal numbers or percentages from 0 to 255, such as rgb(255,0 ,0) and rgb(100%,0%,0%) both represent red.

The color can also be represented by color keywords, a total of 16, which are:

Black 黑#000000
Maroon Dark Brown#800000
Green Green#008000
Olive #808000
Navy #000080
Purple #800080
Teal #008080
Gray #808080
Silver #C0C0C0
Red Red#FF0000
Lime Lime Orange#00FF00
Yellow Yellow#FFFF00
Blue Blue#0000FF
Fuchsia Magenta#FF00FF
Aqua Water Blue#00FFFF
White White#FFFFFF

For example, it can be written like this: bgcolor=red, which is equivalent to the following writing methods:

The code is as follows:

bgcolor=rgb(255,0,0),bgcolor=rgb(100%,0%,0%),bgcolor=#ff0000;

More detailed explanations of color representation in html The method has 6-digit hexadecimal code and rgb or keywords. For related articles, please pay attention to the PHP Chinese website!