CSS hsla() Function

The hsla() function is an inbuilt function in CSS that is used to define the colors using the Hue Saturation Lightness Alpha (HSLA) model.

Syntax:

hsla( hue, saturation, lightness, alpha )

Parameters: This function accepts four parameters as mentioned above and described below:

hue: This parameter is used to define the degree on the color wheel. Its value lies between 0 to 360 where 0 or 360 represents red, 120 represents green and 240 represents blue.
saturation: This parameter is used to define saturation where 0% represents a shade of gray and 100% represents a full color.
lightness: This parameter is used to define lightness where 0% represents black, 50% represents normal, and 100% represents white.
alpha: This parameter is used to define the opacity and the value lies between 0.0 (fully transparent) and 1.0 (fully opaque).

Example: The below program illustrates the hsla() function in CSS:

html

<!DOCTYPE html>
<html>
 
<head>
    <title>hsla function</title>
    <style>
        .gfg1 {
            background-color:
                hsla(120, 100%, 40%, 0.3);
            text-align: center;
        }
 
        .gfg2 {
            background-color:
                hsla(120, 100%, 75%, 0.3);
            text-align: center
        }
 
        .gfg3 {
            background-color:
                hsla(120, 100%, 20%, 0.3);
            text-align: center
        }
 
        .gfg {
            font-size: 40px;
            font-weight: bold;
            color: green;
            text-align: center;
        }
 
        h1 {
            text-align: center;
        }
    </style>
</head>
 
<body>
    <div class="gfg">w3wiki</div>
    <h1>The hsla() Function</h1>
    <p class="gfg1">Green</p>
    <p class="gfg2">Light green</p>
    <p class="gfg3">Dark green</p>
</body>
 
</html>

Output:

Supported Browsers: The browser supported by hsla() function are listed below:

Chrome
Edge
Firefox
Safari
Opera

html

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