Restricting IDE Program

Arduino IDE 1.x

Making Themes

Information about making a custom theme or modifying existing themes:

https://github.com/per1234/ThemeTest#editing-the-arduino-ides-theme

Pre-Made 3rd Party Themes

If you would like to try some pre-made 3rd party themes, these are the ones I'm aware of:

Installation

Instructions for installing custom or 3rd party themes:

https://forum.arduino.cc/t/where-is-the-theme-directory/505795/9

Arduino IDE 2.x

Making Themes

Information about making a custom theme:

https://forum.arduino.cc/t/personal-themes/1024606/2#make-a-custom-theme

Pre-Made 3rd Party Themes

https://github.com/arduino/arduino-ide/blob/main/docs/advanced-usage.md#obtaining-themes

Installation

Instructions for installing custom or 3rd party themes:

https://github.com/arduino/arduino-ide/blob/main/docs/advanced-usage.md#installation