The brightness()
CSS function applies a linear multiplier to the input image, making it appear brighter or darker. Its result is a <filter-function>
.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
Syntax
brightness(amount)
Parameters
amount
- The brightness of the result, specified as a
<number>
or a<percentage>
. A value under100%
darkens the image, while a value over100%
brightens it. A value of0%
will create an image that is completely black, while a value of100%
leaves the input unchanged. The lacuna value for interpolation is1
.
Examples
Setting brightness using numbers and percentages
brightness(0%) /* Completely black */ brightness(0.4) /* 40% brightness */ brightness(1) /* No effect */ brightness(200%) /* Double brightness */
Specifications
Specification | Status |
---|---|
Filter Effects Module Level 1 The definition of 'brightness()' in that specification. |
Working Draft |