Handpicked colors to suit my eyes, callibrated for my monitor and my lightning conditions. Using forest-night as the theme template.
For plugin managers such as vim-plug:
Plug 'b4skyx/serenade'
For better syntax highlighting support, try vim-polyglot.
In your init.vim or .vimrc set
colorscheme serenade
Set lightline/airline scheme accordingly
let g:lightline.colorscheme = 'serenade'
Read :help serenade