How to set the color of a tag in css

Method: 1. Use the "a{color: color value;}" statement to set the text color of the a label; 2. Use the "a{background-color: color value;}" statement to set the background of the a label color. Color values can be defined using color names, hexadecimal values, RGB or RGBA values, HSL or HSLA values.

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

css sets a label color

Method 1: Use the color attribute to set the text color

The Color property specifies the color of the text.

Example:

The default text color is:

##Use the Color attribute

Rendering :

Method 2: Use the background-color attribute to set the background color

The background-color attribute sets the background color of an element. The background of an element is the total size of the element, including padding and borders (but not margins).

Example:

Rendering:

(Learning video sharing:

css video tutorial)

How to write css color values:

1. Use the color name

Although it has already been named There are about 184 colors, but they are truly supported by various browsers, and there are only 16 color names recommended as CSS specifications, as shown in the table below.

Table 1: Color names recommended by CSS specifications

It is not recommended to use color names in web pages, especially large-scale use, to avoid that some color names are not parsed by the browser, or are different Differences in how browsers interpret colors.

2. Hexadecimal color

Hexadecimal symbols #RRGGBB and #RGB (such as #ff0000). "#" followed by 6 or 3 hexadecimal characters (0-9, A-F).

This is the most commonly used color selection method, for example:

3, RGB, red-green-blue (RGB)

The color value is specified as the color of the rgb code. The function format is rgb(R,G,B), and the value can be an integer or percentage from 0-255.

Extensions: RGBA, Red-Green-Blue-Alpha (RGBa)

RGBA extends the RGB color mode to include an alpha channel, allowing the transparency of a color to be set. a represents transparency: 0=transparent; 1=opaque.

4. HSL, hue-saturation-lightness (Hue-saturation-lightness)

Hue (Hue) represents the color circle (that is, a circle representing a rainbow) ring) at an angle.

Saturation and brightness are expressed as percentages.
100% is full saturation, while 0% is a grayscale.
100% lightness is white, 0% lightness is black, and 50% lightness is "normal".

Extension: HSLA, Hue-Saturation-Lightness-Alpha (HSLa)

HSLa extends from the HSL color mode and includes the alpha channel, which can specify the transparency of a color. a represents transparency: 0=transparent; 1=opaque.

5, transparent

Special color value, indicating transparent color. Can be used directly as color.

For example: color:transparent Set the font color to transparent

For more programming-related knowledge, please visit:

Introduction to Programming! !

The above is the detailed content of How to set the color of a tag in css. For more information, please follow other related articles on the PHP Chinese website!