It’s a gtk based app. To set the correct color,
sudo aptitude install gnome-color-chooser
Then, in menu, type the search term: Colors (Colors and Settings)
Tooltip background: #F7F5F3
Tooltip text: #080707
Joel G Mathew, known in tech circles by the pseudonym Droidzone, is an opensource and programming enthusiast.
His favorite pastime is grappling with GNU compilers, discovering newer Linux secrets, writing scripts, hacking roms, and programs (nothing illegal), reading, blogging. and testing out the latest gadgets.
When away from the tech world, Dr Joel G. Mathew is a practising ENT Surgeon, busy with surgeries and clinical practise.