> For the complete documentation index, see [llms.txt](https://inan.gitbook.io/rich-fx-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://inan.gitbook.io/rich-fx-documentation/effects/color-effects/overlay.md).

# Overlay

![Overlay](https://2065380603-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5fuxyrZmxqeHTavJYV%2F-M5mMfmS7AdK42dBFUjh%2F-M5mR5nbHn7AworS5VKD%2FBuild%20Screenshot%202020.04.25%20-%2015.46.57.47.png?alt=media\&token=8deded9e-2f84-4f92-a22b-1facb43c7eae)

This effect provides color correction to your scenes by overlaying a color or a gradient using a specified blend mode to the screen, or it can act as a simple texture layer.

| Parameter              | Description                                                                                   |
| ---------------------- | --------------------------------------------------------------------------------------------- |
| Source Type            | Type of the overlay channel, color, gradient or a texture.                                    |
| Color/Gradient/Texture | Color/gradient/texture to be overlayed.                                                       |
| Source Alpha           | If texture overlay is used, defines whether to treat input texture alpha as the alpha source. |