And we have a theme winner.

nvim/init.vim

@@ -1,5 +1,6 @@
 call plug#begin('$XDG_DATA_HOME/vim-plugins')
-Plug 'tomasr/molokai'
+Plug 'fatih/molokai'
+Plug 'pearance/vimez-themes'
 Plug 'junegunn/fzf'
 Plug 'junegunn/fzf.vim'
 Plug 'mhinz/vim-signify'
@@ -58,7 +59,11 @@ map <leader>f  <Esc>:Goyo<CR>
 
 set bg=dark
 set termguicolors
+if &diff
   colorscheme molokai
+else
+  colorscheme molokaiez
+endif
 
 set t_ZH=
 set t_ZR=
@@ -79,7 +84,7 @@ command! -bang -nargs=? -complete=dir Colors
   \ call fzf#vim#colors({'options': ['-e', '--layout=reverse', '--preview', '']}, <bang>0)
 
 let g:lightline = {
-  \ 'colorscheme': 'molokai',
+  \ 'colorscheme': 'powerlineish',
   \ 'active': {
   \   'left': [ [ 'mode', 'paste' ],
   \             [ 'readonly', 'filename' ] ],