opacity()
The opacity()
CSS function applies transparency to the samples in the input image. Its result is a <filter-function>
.
Try it
Note: This function is similar to the more established opacity
property. The difference is that with filters, some browsers provide hardware acceleration for better performance.
Syntax
css
opacity(amount)
Parameters
amount
-
The amount of the conversion, specified as a
<number>
or a<percentage>
. A value of0%
is completely transparent, while a value of100%
leaves the input unchanged. Values between0%
and100%
are linear multipliers on the effect. The initial value for interpolation is1
.
Examples
Examples of correct values for opacity()
css
opacity(0%) /* Completely transparent */
opacity(50%) /* 50% transparent */
opacity(1) /* No effect */
Specifications
Specification |
---|
Filter Effects Module Level 1 # funcdef-filter-opacity |
Browser compatibility
BCD tables only load in the browser
See also
- The other
<filter-function>
functions available to be used in values of thefilter
andbackdrop-filter
properties include: - The CSS
opacity
property