Molokai
Molokai color scheme for Vim
...The theme has been around a long time, is widely adopted, and has been adapted and tweaked in many derivative versions. Users often value its simplicity and recognisability — if you’re a long-time coder you may recognise its palette from many editors. Because of its longevity, tutorials around it and support for many terminal types exist. Some users modify it further (comment colours, font styles) but out of the box it remains solid and dependable.