CSS | brightness() Function

Last Updated : 07 Aug, 2019

The brightness() function is an inbuilt function which is used to apply a filter to set the brightness of the image. This function uses the linear multiplier to the image to increase or decrease brightness.

Syntax:

brightness( amount )

Parameters: This function accepts single parameter amount which holds the amount of brightness. The value of brightness is set in terms of number and percentage. The value 0% represents completely black image and 100% represents the original image.

Below example illustrates the brightness() function in CSS:

Example:

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>CSS brightness() Function</title> 
      
    <style>
        h1 {
            color:green;
        }
        body {
            text-align:center;
        }
        .brightness_effect {
            filter: brightness(10%);
        }
    </style>
</head> 
  
<body> 
    <h1>GeeksforGeeks</h1> 
      
    <h2>CSS brightness() function</h2>
      
    <img class="brightness_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 brightness() function are listed below:

Google Chrome
Internet Explorer
Firefox
Safari
Opera

My Personal Notes

Related Articles