The opacity() CSS function applies transparency to the samples in the input image. Its result is a <filter-function>.
The opacity() CSS function applies transparency to the samples in the input image. Its result is a <filter-function>.
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.
opacity(amount)
amountThe amount of the conversion, specified as a <number> or a <percentage>. A value of 0% is completely transparent, while a value of 100% leaves the input unchanged. Values between 0% and 100% are linear multipliers on the effect. The initial value for interpolation is 1.
opacity(0%) /* Completely transparent */ opacity(50%) /* 50% transparent */ opacity(1) /* No effect */
| Specification |
|---|
| Filter Effects Module Level 1 # funcdef-filter-opacity |
| 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 |
<filter-function> functions available to be used in values of the filter and backdrop-filter properties include: opacity property
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https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/opacity