# Opacity
>![](../../public_sys-resources/icon-note.gif) **NOTE:**
>This attribute is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
The attributes described in this topic are used to set the opacity of a component.
## Required Permissions
None
## Attributes
Name
|
Type
|
Default Value
|
Description
|
opacity
|
number
|
1
|
Opacity of a component. The value ranges from 0 to 1. The value 1 means opaque, and 0 means completely transparent.
|
## Example
```
@Entry
@Component
struct OpacityExample {
build() {
Column({ space: 5 }) {
Text('opacity(1)').fontSize(9).width('90%').fontColor(0xCCCCCC)
Text().width('90%').height(50).opacity(1).backgroundColor(0xAFEEEE)
Text('opacity(0.7)').fontSize(9).width('90%').fontColor(0xCCCCCC)
Text().width('90%').height(50).opacity(0.7).backgroundColor(0xAFEEEE)
Text('opacity(0.4)').fontSize(9).width('90%').fontColor(0xCCCCCC)
Text().width('90%').height(50).opacity(0.4).backgroundColor(0xAFEEEE)
}
.width('100%')
.padding({ top: 5 })
}
}
```
![](figures/opacity.gif)