# Themes default on light terminal: ![](assets/light-theme.png) to change the colors of the program you have to modify `theme.ron` file [Ron format](https://github.com/ron-rs/ron) located at config path (same as [log path](README.md#diagnostics)). Valid colors can be found in [ColorDef](./src/ui/style.rs#ColorDef) struct. note that rgb colors might not be supported in every terminal.