docs / customize-settings / appearance

Appearance

Theme

This allows you to switch between dark and light mode. “Default” uses the system theme in Windows.

Backdrop material

The backdrop material is what makes the window background transparent. You can choose between Mica Alt (Mica requires Windows 11) and Acrylic. In order for the backdrop to be visible, the background color needs be transparent.

Background color

This allows you to change background color of the window. There is a large selection or pre-selected colors but you can also enter a custom value or change the transparency using the color picker.

Additional background colors

While there isn’t an option in the settings UI, you can change the address bar, sidebar, and file area backgrounds by manually editing the settings file:

  1. Open Files > Settings > Advanced > Edit settings file. This will open the settings file in your default text editor.
  2. Before editing the settings file, you’ll need to close Files by right-clicking the icon in the system tray and clicking on “Quit”.
  3. The settings file has a JSON format. You can use any text editor to open and modify it.
  4. Search for the any of the keys listed bellow and edit the value as desired.
Key Default value
AppThemeBackgroundColor #00000000
AppThemeAddressBarBackgroundColor #00000000
AppThemeSidebarBackgroundColor #00000000
AppThemeFileAreaBackgroundColor #00000000

Custom fonts

There isn’t an option in the settings UI but you can change the default font by manually editing the value for AppThemeFontFamily in the settings file.

We put together some popular color combinations to help users create custom themes.

Glass

The glass theme is best paired with the Acrylic backdrop material.

Key Value
AppThemeBackgroundColor #00000000
AppThemeAddressBarBackgroundColor #00000001
AppThemeSidebarBackgroundColor #00000001
AppThemeFileAreaBackgroundColor #00000001

Finder

The finder theme is based on the color scheme in Finder.

Key Value
AppThemeBackgroundColor #221d28
AppThemeAddressBarBackgroundColor #38343c
AppThemeSidebarBackgroundColor #464449
AppThemeFileAreaBackgroundColor #221d28

Nord

Key Value
AppThemeBackgroundColor #FF1B1F26
AppThemeAddressBarBackgroundColor #2E3440
AppThemeSidebarBackgroundColor #2E3440
AppThemeFileAreaBackgroundColor #2E3440