The contrast() function is an inbuilt function which is used to apply a filter to set the contrast of the image. This function adjusts the contrast of the image.
Syntax:
contrast( amount )
Parameters: This function accepts single parameter amount which holds the amount of contrast. The value of contrast is set in terms of value and percentage. The value 0% represents completely gray image and 100% represents the original image.
Below example illustrates the contrast() function in CSS:
Example:
html
<!DOCTYPE html> <html>
<head>
<title>CSS contrast() Function</title>
<style>
h1 {
color:green;
}
body {
text-align:center;
}
.contrast_effect {
filter: contrast(10%);
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>CSS contrast() function</h2>
<img class="contrast_effect" src=
alt="GeeksforGeeks logo">
</body>
</html>
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Output:
Supported Browsers: The browsers supported by contrast() function are listed below:
- Google Chrome 18 and above
- Edge 12 and above
- Internet Explorer not supported
- Firefox 35 and above
- Safari 6 and above
- Opera 15 and above