# Using Apply Chroma Key and Background Removal

Starting from PRISM Live Studio Windows v5.1.0 and macOS v2.1.0 the **Apply Chroma Key** and **Auto Background Removal** features have been added to the PRISM Lens source properties window. 

This improvement allows VTubers and webcam users to manage their backgrounds conveniently without navigating through multiple complex steps.

***

#### Apply Chroma Key

This feature allows you to add a Chroma Key filter instantly from the source properties window.

**How to Configure:**

{% stepper %}
{% step %}
Double-click the PRISM Lens source to open the Properties window, then click the **\[Apply Chroma Key]** button at the bottom.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FnHjg20Q7nZPgpjcLPTlp%2F1.new%20chroma%20key%20setting.png?alt=media&#x26;token=b250e2a8-5449-4c5c-bc77-f9f712f4304b" alt="" width="563"><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Upon clicking, the **'Filters for PRISM Lens'** window will pop up with the Chroma Key filter already added.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FrUV23C0EJwVH1dSgz3gy%2F2.apply%20chroma%20key%20done.png?alt=media&#x26;token=ecd950f6-6b2c-40f7-b0dc-852d0c42c0f7" alt="" width="563"><figcaption></figcaption></figure>
{% endstep %}

{% step %}
You can complete the setup by simply adjusting detailed settings such as Similarity or Smoothness.

{% endstep %}
{% endstepper %}

**How to Remove:**

* When Chroma Key is applied, the button toggles to **\[Remove Chroma Key]**.
* Clicking this button displays a confirmation alert asking, **"Remove Chroma Key?"**.
* Selecting **OK** will remove all added Chroma Key filters at once.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FT4Z3HV6JbYWlabqKKigr%2F3.remove%20chroma%20key.png?alt=media&#x26;token=4dce7915-d6c1-4c3c-8218-2defe0a2a2b5" alt=""><figcaption></figcaption></figure>

***

#### Auto Background Removal

You can now remove your background with a single click in the **PRISM Lens source properties**, without needing to manually configure settings in the PRISM Lens app.

**How to Configure:**

{% stepper %}
{% step %}
Double-click the PRISM Lens source to open the Properties window, then click the **\[Auto Background Removal]** button at the bottom.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FJirkDIapKQijDutV6ICP%2F1.autobackground%20removal%20.png?alt=media&#x26;token=6b44258c-cb6d-4183-b46e-e09cab5ab4a1" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Clicking this button will automatically activate the 'Remove BG' setting within the PRISM Lens app's virtual background menu.
{% endstep %}
{% endstepper %}

**How to Remove:**

* Once the effect is active, the button toggles to **\[Remove Auto Background Removal]**.
* Clicking this button displays a confirmation alert asking, **"Remove Auto Background Removal?"**.
* Selecting **OK** will change the Lens app setting back to 'Original' and the background removal effect will be disabled.

<figure><img src="https://1019928184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlISC5rfB4Hnmbsjf8phq%2Fuploads%2FA0Zc8XmVjd6vhRtiEOrx%2F2.remove%20autobackground%20removal%20.png?alt=media&#x26;token=51d49931-edf0-455f-8034-4633b45cb02f" alt=""><figcaption></figcaption></figure>

[..](https://guide.prismlive.com/desktop "mention"), [..](https://guide.prismlive.com/desktop/guides "mention"), [..](https://guide.prismlive.com/desktop/guides/sources "mention"), [](https://guide.prismlive.com/desktop/guides/sources/prism-lens-source "mention")