The brightness()
CSS function applies a linear multiplier to the input image, making it appear brighter or darker. Its result is a <filter-function>
.
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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 1The definition of 'brightness()' in that specification. | Working Draft |
See also
<filter-function>
blur()
contrast()
drop-shadow()
grayscale()
hue-rotate()
invert()
opacity()
saturate()
sepia()
brightness() by Mozilla Contributors is licensed under CC-BY-SA 2.5.