This software controls the backlight of Lenovo Legion Y720 Keyboard on Linux, as the Lenovo didn't make the drivers/software for Linux.
It works mostly the same as the Lenovo Nerve Center, including the global hotkey of Fn+Space to change between profiles created by the user.
Here a screenshot:
Download the latest version here: Releases
You can use the AppImage to run just once the software using this in a terminal with the folder you downloaded the software open
./Lenovo Y720 Keyboard LED Controller-x.AppImage
Or you can install the deb packages using:
sudo dpkg -i y720-kb-led-controller-x.deb
git clone https://github.com/Izurii/Lenovo-Y720-KB-Led-Controller
yarn
yarn dist
yarn start