source $VIMCONF/conf/rc/colors/def/common/transparent.vim function s:on_colorscheme() abort hi Constant guibg=NONE hi Identifier guibg=NONE hi Special guibg=NONE hi Title guibg=NONE hi Type guibg=NONE endfunction autocmd persistent_colorscheme ColorScheme aomi-grayscale call s:on_colorscheme() source $VIMCONF/conf/rc/colors/def/aomi-grayscale_dark.vim