Iterm2 Railscasts Theme - https://github.com/chrishunt/color-schemes

.tmux.conf

set -g default-terminal "screen-256color"
set -g status-bg colour235
set -g status-fg white

set-window-option -g window-status-current-fg black
set-window-option -g window-status-current-bg green

set -g pane-border-fg colour235
set -g pane-border-bg black
set -g pane-active-border-fg green
set -g pane-active-border-bg black

.vimrc

set encoding=utf-8

syntax on
set background=dark
colorscheme base16-railscasts

set tabstop=4
set shiftwidth=4
set expandtab
set autoindent

set number
set ruler
set showcmd
set laststatus=2

set colorcolumn=80,100

highlight clear SignColumn
highlight VertSplit    ctermbg=236
highlight ColorColumn  ctermbg=237
highlight LineNr       ctermbg=236 ctermfg=240
highlight CursorLineNr ctermbg=236 ctermfg=240
highlight CursorLine   ctermbg=236
highlight StatusLineNC ctermbg=238 ctermfg=0
highlight StatusLine   ctermbg=240 ctermfg=12
highlight IncSearch    ctermbg=0   ctermfg=3
highlight Search       ctermbg=0   ctermfg=9
highlight Visual       ctermbg=3   ctermfg=0
highlight Pmenu        ctermbg=240 ctermfg=12
highlight PmenuSel     ctermbg=0   ctermfg=3
highlight SpellBad     ctermbg=0   ctermfg=1