The grayscale() function in CSS is an inbuilt function that is used to apply a filter to the image to set the grayscale of the image.
Syntax:
grayscale( amount )
Parameters: This function accepts a single parameter amount that holds the value of grayscale. The value of grayscale is set in terms of number and percentage. The value 0% represents the original image while the value between 0% to 100% represents the linear multipliers on the effect.
Example: The below example illustrates the grayscale() function in CSS.
HTML
<!DOCTYPE html>
<html>
<head>
<title>CSS grayscale() Function</title>
<style>
h1 {
color: green;
}
body {
text-align: center;
}
.grayscale_effect {
filter: grayscale(100%);
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>CSS grayscale() function</h2>
<img class="grayscale_effect"
src=
"https://media.geeksforgeeks.org/wp-content/cdn-uploads/20190710102234/download3.png"
alt="GeeksforGeeks logo">
</body>
</html>
Output:
Supported Browsers: The browsers supported by the grayscale() function are listed below:
- Google Chrome 18.0
- Microsoft Edge 12.0
- Firefox 35.0
- Safari 6.0
- Opera 15.0