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What does color mean in css

Apr 28, 2024 pm 12:45 PM
css

The color attribute defines text or background color in CSS and can be specified in a variety of formats, including hexadecimal values, RGB values, RGBA values, HTML color names, HSL and HSLA values, and keywords such as currentColor , inherit, transparent).

What does color mean in css

The meaning of color in CSS

The color property defines the color of the text or background of an element in CSS. It is specified in various formats, including:

Hexadecimal value

A hexadecimal value is a six-digit number starting with a pound sign (#) Code that represents the red, green, and blue (RGB) values ​​of a color. For example:

color: #0000FF; /* 蓝色 */

RGB values

RGB values ​​are a comma-separated group of values ​​in parentheses that specify the intensities of red, green, and blue in the color. Each value is between 0 and 255. For example:

color: rgb(0, 0, 255); /* 蓝色 */

RGBA value

An extension of RGB value that adds a fourth value (alpha channel), representing the transparency of the color. Alpha channel values ​​range from 0 (transparent) to 1 (opaque). For example:

color: rgba(0, 0, 255, 0.5); /* 半透明蓝色 */

HTML color names

CSS supports a range of standard HTML color names, including:

color: red;
color: green;
color: blue;

HSL and HSLA values

HSL (Hue, Saturation, Lightness) values ​​represent a color using its hue (0-360°), saturation (0-100%), and lightness (0-100%). Extended HSLA values ​​include a fourth alpha channel value. For example:

color: hsl(120, 50%, 50%); /* 绿色 */

color keyword

CSS also supports some special keywords, including:

  • currentColor: Use the color of the parent element
  • inherit: inherit color from parent element
  • transparent: transparent

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