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
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
| 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
- The other
<filter-function>functions available to be used in values of thefilterandbackdrop-filterproperties include: - The CSS
opacityproperty
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https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/opacity