stop-opacity
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2020.
Thestop-opacity attribute defines the opacity of a given color gradient stop.
The opacity value used for the gradient calculation is the product of the value ofstop-opacity and the opacity of the value of thestop-color attribute. Forstop-color values that don't include explicit opacity information, the opacity is treated as1.
Note:As a presentation attribute,stop-opacity also has a CSS property counterpart:stop-opacity. When both are specified, the CSS property takes priority.
You can use this attribute with the following SVG elements:
Usage notes
| Value | <opacity-value> |
|---|---|
| Default value | 1 |
| Animatable | Yes |
<opacity-value>This value is either a
<number>between0and1or a<percentage>value specifying the opacity of the color gradient stop.
Specifications
| Specification |
|---|
| Scalable Vector Graphics (SVG) 2 # StopOpacityProperty |