Theme

One Commander comes with a number of pre-installed Themes, comprising a combination of color combinations and icon packs. See here for more. Settings for themes are as follows:

Accent Color

How the color of items is changed by different mouse actions. Depending on the theme an Accent color will be used on certain elements, such as Columns Pane border, tabs borders. In some themes the Accent Color is part of the theme itself and changing it is disabled (for example in Nord or Nortorn themes

Other

Use thin scrollbar: this refers to all One Commander's scrollbars. If it is not selected, One Commander uses the default (thicker) Windows one.

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Backlinks:
5. Troubleshooting
2. Quick introductory guide:7. Themes
3. Full reference guide:Customizing One Commander's appearance