Inspired by default darcula theme in JetBeans IDE
To get a closer theme add these lines to init.vim
function! s:base16_customize() abort
call Base16hi("Function", g:base16_gui06, "", "", g:base16_cterm06, "", "")
call Base16hi("Include", g:base16_gui05, "", "", g:base16_cterm05, "", "")
call Base16hi("Type", g:base16_gui0E, "", "", g:base16_cterm0E, "", "")
endfunction
augroup on_change_colorschema
autocmd!
autocmd ColorScheme * call s:base16_customize()
augroup END
colorscheme base16-darcula