The opacity()
CSS function applies transparency to the samples in the input image. Its result is a <filter-function>
.
opacity()
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
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()
opacity(0%) /* Completely transparent */ opacity(50%) /* 50% transparent */ opacity(1) /* No effect */
Specifications
Specification |
---|
Filter Effects Module Level 2 # funcdef-filter-opacity |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
opacity |
18
|
12
|
35
|
No
|
15
|
6
|
4.4
|
53
|
35
|
14
|
6
|
6.0
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/opacity