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">GeeksforGeeks</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>
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Output:
Supported Browsers: The browser supported by hsla() function are listed below:
- Chrome
- Edge
- Firefox
- Safari
- Opera