Catalogue of working Arduino Ide Themes
Imstallation:
Find your Arduino Sketchbook location from within the Arduino IDE:
File > Preferences > "Sketchbook Location:"
Go to that location and make new folder (if it does not exist already) called: theme
(on Linux) /home/<USERNAME>/Arduino/theme
(on Windows) C:\Users\<USERNAME>\Documents\Arduino\theme
Close the Arduino IDE
Copy the Theme(s) you wish to use into the folder above ^
Re-open Arduino IDE and go to:
File > Preferences > Find the Theme drop-down list and select the desired Theme..
Enjoy!
Included Themes:
Back-up of Default Light Theme
Default Dark Theme
Jeff Thompson's Grey-Dark Theme:[https://github.com/jeffThompson/DarkArduinoTheme]
Taunoe's Dark Theme:[https://github.com/taunoe/arduino-dark-theme]
Not Included but worth looking at:
Hexatronic Dark Theme's:[https://github.com/Hextronics1999/Hextronics_Arduino_Dark_Theme]