Color libraries are displayed on the Materials tab.
You may add a color library in the following formats:
To add a color library:
A file explorer window is displayed.
Navigate to the location of the color library file, and select it.
Click Open. The color library is added to the available libraries.
You can also access the color libraries by, on the Materials tab, either:
Hovering over the material and clicking the color thumbnail.
Clicking the material and then clicking the color thumbnail in the Context view.
There is no limit to the number of color libraries you can add.
For more information, refer to Color Library and Picker Interface Reference.
You can easily add your Photoshop color swatches to VStitcher.
To export a color swatch or group of swatches:
In Photoshop, go to the Swatches panel.
Select the swatch or group of swatches you want to add to to VStitcher.
Click the flyout menu.
Click Export Selected Swatches. A file explorer window is displayed.
Navigate to where you want to save the file.
In File name, type in a name for your file.
Click Save. The swatch or group of swatches is saved as an ACO file.
Once you have exported the swatch or group of swatches, open VStitcher and add the file by following the instructions at the top of this page.
By default, Photoshop saves color swatches in locations such as the following:
C:\<User>AppData\Roaming\Adobe\Adobe Photoshop 2020\Presets\Color Swatches
<User>/Library/Application Support/Adobe/Adobe Photoshop 2020/Presets/Color Swatches
Note: The folder name depends on the software version you are using.