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= "https://media.geeksforgeeks.org/wp-content/cdn-uploads/20190710102234/download3.png" alt="GeeksforGeeks logo"> </body> </html> 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