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This article mainly shows you "css3 color transparency how to write", the content is easy to understand, clear, hope to help you solve doubts, the following let the editor lead you to study and learn "css3 color transparency how to write" this article.

Write: 1, "rgba (red, green, blue, transparency)"; rgba () function through the red, green and blue superposition to generate a variety of colors and control color transparency; 2, "hsla (hue, saturation, brightness, transparency)"; hsla () function through hue, saturation and brightness to define color and control color transparency.

The operating environment of this tutorial: windows10 system, CSS3&&HTML5 version, Dell G3 computer.

How to write css3 color transparency

1. In css, you can use the rgba () function to generate a variety of colors using the superposition of red (R), green (G), blue (B) and transparency (A).

The syntax is as follows:

Rgba (red, green, blue, alpha)

Where:

Examples are as follows:

123#p1 {background-color:rgba;} # p2 {background-color:rgba;}

RGB color and use transparency:

Red

Red

Output result:

2. The hsla () function uses hue, saturation, brightness, and transparency to define colors.

HSLA means hue, saturation, brightness and transparency (English: Hue, Saturation, Lightness, Alpha).

Examples are as follows:

123#p1 {background-color:hsla (120100% 50% 0.30);} # p2 {background-color:hsla (120100% 50% 1st);}

HSL color and use transparency:

Green

Green

Output result:

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