Colors HEX(颜色十六进制)

Hexadecimal Colors

Hexadecimal color values are supported in all browsers.

A hexadecimal color is specified with:

#rrggbb

Where rr (red), gg (green) and bb (blue) are hexadecimal integers between 00 and ff, specifying the intensity of the color.

For example, #ff0000 is displayed as red, because red is set to its highest value (ff), and the other two (green and blue) are set to 00.

Another example, #00ff00 is displayed as green, because green is set to its highest value (ff), and the other two (red and blue) are set to 00.

To display black, set all color parameters to 00, like this: #000000.

To display white, set all color parameters to ff, like this: #ffffff.

Try it Yourself

Hexadecimal color values are supported in all browsers.

Example

<style>

div {

   background-color: #00bfff;

   color: #ffffff;

}

</style>

https://www.w3schools.com/colors/colors_hexadecimal.asp

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