CSS contrast() Function

❮ CSS Functions Reference

Example

Increase and decrease the contrast for an image:

#img1 {
filter: contrast(150%);
}

#img2 {
filter: contrast(50%);
}

Try it Yourself »

More "Try it Yourself" examples below.

Definition and Usage

The CSS contrast() filter function adjusts the contrast of an element.

0% will make the image completely gray
100% (1) is default and represents the original image
Values over 100% increases the contrast
Values under 100% decreases the contrast

Version:	CSS Filter Effects Module Level 1

Browser Support

The numbers in the table specify the first browser version that fully supports the function.

Function
contrast()	18	12	35	6	15

CSS Syntax

contrast(amount)

Value	Description
amount	Optional. Specifies the contrast as a number or percent. 0% will make the element completely gray. 100% (1) is default and represents the original image (no effect). Values over 100% increases the contrast. Values under 100% decreases the contrast.

More Examples

Example

Use contrast() with the backdrop-filter property:

div.transbox {
background-color: rgba(255, 255, 255, 0.4);
-webkit-backdrop-filter: contrast(150%);
backdrop-filter: contrast(150%);
padding: 20px;
margin: 30px;
font-weight: bold;
}

Try it Yourself »

CSS reference: CSS filter property.

CSS reference: CSS blur() function.

CSS reference: CSS brightness() function.

CSS reference: CSS drop-shadow() function.

CSS reference: CSS grayscale() function.

CSS reference: CSS hue-rotate() function.

CSS reference: CSS invert() function.

CSS reference: CSS opacity() function.

CSS reference: CSS saturate() function.

CSS reference: CSS sepia() function.

❮ CSS Functions Reference