- Go to User Menu > Preferences > Sidebar Theme
- In the bottom of the window, look for a "customize your theme and share it with others" link
- Copy and paste the values below
#213037,#737e84,#737e84,#FFFFFF,#4A5664,#FFFFFF,#6fbab6,#6fbab6
#213037,#737e84,#737e84,#FFFFFF,#4A5664,#FFFFFF,#6fbab6,#6fbab6