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---
title: yChannelSelector
slug: Web/SVG/Attribute/yChannelSelector
page-type: svg-attribute
browser-compat: svg.elements.feDisplacementMap.yChannelSelector
---
{{SVGRef}}
The **`yChannelSelector`** attribute indicates which color channel from {{SVGAttr("in2")}} to use to displace the pixels in {{SVGAttr("in")}} along the y-axis.
## Elements
You can use this attribute with the {{SVGElement("feDisplacementMap")}} SVG element.
## Usage notes
<table class="properties">
<tbody>
<tr>
<th scope="row">Value</th>
<td><code>R</code> | <code>G</code> | <code>B</code> | <code>A</code></td>
</tr>
<tr>
<th scope="row">Default value</th>
<td><code>A</code></td>
</tr>
<tr>
<th scope="row">Animatable</th>
<td>Yes</td>
</tr>
</tbody>
</table>
- `R`
- : This keyword specifies that the red color channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
- `G`
- : This keyword specifies that the green color channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
- `B`
- : This keyword specifies that the blue color channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
- `A`
- : This keyword specifies that the alpha channel of the input image defined in {{SVGAttr("in2")}} will be used to displace the pixels of the input image defined in {{SVGAttr("in")}} along the y-axis.
## Examples
```css hidden
html,
body,
svg {
height: 100%;
}
```
```html
<svg viewBox="0 0 440 160" xmlns="http://www.w3.org/2000/svg">
<filter id="displacementFilter">
<feImage
href="mdn.svg"
x="0"
y="0"
width="100%"
height="100%"
result="abc" />
<feDisplacementMap
in2="abc"
in="SourceGraphic"
scale="30"
yChannelSelector="R" />
</filter>
<filter id="displacementFilter2">
<feImage
href="mdn.svg"
x="0"
y="0"
width="100%"
height="100%"
result="abc" />
<feDisplacementMap
in2="abc"
in="SourceGraphic"
scale="30"
yChannelSelector="B" />
</filter>
<text x="10" y="60" font-size="50" filter="url(#displacementFilter)">
Some displaced text
</text>
<text x="10" y="120" font-size="50" filter="url(#displacementFilter2)">
Some displaced text
</text>
</svg>
```
{{EmbedLiveSample("Examples", "480", "200")}}
## Specifications
{{Specifications}}
## Browser compatibility
{{Compat}}