" enable true colors only if available
let colorterm=$COLORTERM
if colorterm =~# 'truecolor' || colorterm =~# '24bit'
  set termguicolors
  " also set escape characters for true colors, if needed
  if &term =~# '^screen'
    let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
    let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
  endif
" if we're not in a GUI environment, we use 256 colors
" before commenting out, check if you've set a proper $TERM in your terminal
" settings or .bashrc - this is just a fallback solution!
"else
"  if !has('gui_running')
"    set t_Co=256
"  endif
endif