darkrc/vim/plugin/colors.vim

" For my patched version of the papercolor theme
let g:only_generic_hl=1

function! s:kitty_bg_color()
	if $TERM=="xterm-kitty"
		let l:num_color=synIDattr(hlID("normal"), "bg")
		if l:num_color!=""
			let l:color=system("kitty @ get-colors | grep color".l:num_color)
			let l:color=l:color[match(l:color, "#"):]
			echom system("kitty @ set-colors background=".l:color)
		end
	end
endfun

if $TERM=="xterm-kitty"
  augroup kitty
    let s:kitty_bg=system("kitty @ get-colors | grep ^background")
    let g:kitty_bg=s:kitty_bg[match(s:kitty_bg, "#"):]
    au VimLeavePre * echom system("kitty @ set-colors background=".g:kitty_bg)
  augroup END
end

com! Dark silent! let g:colors_name_bak = g:colors_name
	\ | let g:ayucolor="dark"
	\ | let g:arcadia_Daybreak=0
	\ | let g:arcadia_Midnight=1
	\ | let g:alduin_Shout_Become_Ethereal=1
	\ | set bg=dark
	\ | silent! exec "colorscheme ".g:colors_name_bak
	\ | silent! delc PaperColor
	\ | silent! call <SID>kitty_bg_color()
com! Light silent! let g:colors_name_bak = g:colors_name
	\ | let g:ayucolor="light"
	\ | let g:arcadia_Daybreak=1
	\ | let g:arcadia_Midnight=0
	\ | let g:alduin_Shout_Become_Ethereal=0
	\ | set bg=light
	\ | silent! exec "colorscheme ".g:colors_name_bak
	\ | silent! delc PaperColor
	\ | silent! call <SID>kitty_bg_color()

" Commands for some colorschemes I often use
com! Ayu colorscheme ayu
com! Arcadia colorscheme arcadia | call <SID>kitty_bg_color()
com! Alduin colorscheme alduin | call <SID>kitty_bg_color()
com! Moria colorscheme moria | call <SID>kitty_bg_color()
com! Molokai colorscheme molokai | call <SID>kitty_bg_color()
com! Iceberg colorscheme iceberg | call <SID>kitty_bg_color()
com! Papercolor colorscheme PaperColor | delc PaperColor | call <SID>kitty_bg_color()
com! Firewatch colorscheme two-firewatch | call <SID>kitty_bg_color()

if $TERM=="xterm-kitty"
  Arcadia
end