title | slug | page-type | browser-compat |
---|---|---|---|
flood-opacity |
Web/SVG/Attribute/flood-opacity |
svg-attribute |
svg.global_attributes.flood-opacity |
{{SVGRef}}
The flood-opacity
attribute indicates the opacity value to use across the current filter primitive subregion.
Note
As a presentation attribute, flood-opacity
can be used as a CSS property.
You can use this attribute with the following SVG elements:
- {{SVGElement("feFlood")}} and {{SVGElement("feDropShadow")}}
html,
body,
svg {
height: 100%;
}
<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">
<filter id="flood1">
<feFlood
flood-color="seagreen"
flood-opacity="1"
x="0"
y="0"
width="200"
height="200" />
</filter>
<filter id="flood2">
<feFlood
flood-color="seagreen"
flood-opacity="0.3"
x="0"
y="0"
width="200"
height="200" />
</filter>
<rect x="0" y="0" width="200" height="200" style="filter: url(#flood1);" />
<rect
x="0"
y="0"
width="200"
height="200"
style="filter: url(#flood2); transform: translateX(220px);" />
</svg>
{{EmbedLiveSample("Example", "420", "200")}}
Value | <alpha-value> |
---|---|
Initial value | 1 |
Animatable | Yes |
<alpha-value>
- : A number or percentage indicating the opacity value to use across the current filter primitive subregion.
A number of
0
or a percentage of0%
represents a fully transparent color,1
or100%
represents a fully opaque color.
- : A number or percentage indicating the opacity value to use across the current filter primitive subregion.
A number of
{{Specifications}}
{{Compat}}
- {{SVGAttr("flood-color")}}