The monochrome theme is to make sure you can interact with the app in bright sunlight, especially if you are wearing sunglasses.
There are two theme options: black on white and white on black. You can change the theme in Settings.
![](https://getsola.com/wp-content/uploads/2019/04/sola_settings-copy-1-558x1024.png)
![](https://getsola.com/wp-content/uploads/2019/04/sola_theme-1-558x1024.png)
![](https://getsola.com/wp-content/uploads/2019/04/sola_dark_theme-1-558x1024.png)
The monochrome theme is to make sure you can interact with the app in bright sunlight, especially if you are wearing sunglasses.
There are two theme options: black on white and white on black. You can change the theme in Settings.