nix-config/.config/nvim/colors/abbott.vim

" Vim color file
" Name: abbott.vim
" Description: An oddly-named dark Vim color scheme
" Maintainer: Jonathan Rascher <jon@bcat.name>
" Version: 1.3

" Mark abbott.vim as a dark theme.
set background=dark

" Reset existing syntax highlights to their default settings.
highlight clear
if exists("syntax_on")
  syntax reset
endif

" Declare the name of this color scheme.
let g:colors_name="abbott"

" Tell the CSApprox plugin not to override the default terminal background.
let g:CSApprox_hook_abbott_post="hi Normal ctermbg=NONE"

" Define colors (blue).
let s:pastel_blue="#8ccdf0"
let s:blue="#3f91f1"

" Define colors (brown).
let s:tan="#fee3b4"
let s:light_brown="#816749"
let s:brown="#1f1912"
let s:dark_brown="#0a0806"

" Define colors (green).
let s:mint_green="#d5fac8"
let s:pastel_green="#d8ff84"
let s:lime_green="#94d900"
let s:green="#76bc20"

" Define colors (orange).
let s:burnt_orange="#f63f05"
let s:orange="#fbb32f"

" Define colors (purple).
let s:lavender="#e6a2f3"

" Define colors (red).
let s:pink="#ec6c99"
let s:red="#d80450"

" Define colors (yellow).
let s:yellow="#e5e339"

" Lay down some infrastructure to make using the color variables nicer.
function! s:H(group, style)
  execute "highlight" a:group
        \ "guifg=" . (has_key(a:style, "fg") ? a:style.fg : "NONE")
        \ "guibg=" . (has_key(a:style, "bg") ? a:style.bg : "NONE")
        \ "guisp=" . (has_key(a:style, "sp") ? a:style.sp : "NONE")
        \ "gui=" . (has_key(a:style, "opt") ? a:style.opt : "NONE")
endfunction

" Set default foreground and background colors.
call s:H("Normal", { "fg": s:mint_green, "bg": s:brown })

" Set up highlights for basic syntax groups.
call s:H("Comment", { "fg": s:orange })
call s:H("Constant", { "fg": s:burnt_orange })
call s:H("String", { "fg": s:lavender })
call s:H("Character", { "fg": s:lavender })
call s:H("Identifier", { "fg": s:pastel_blue })
call s:H("Statement", { "fg": s:red, "opt": "bold" })
call s:H("PreProc", { "fg": s:pink })
call s:H("Type", { "fg": s:green })
call s:H("Special", { "fg": s:tan })
call s:H("Tag", { "fg": s:lavender, "opt": "underline" })
call s:H("Underlined", { "fg": s:lavender, "opt": "underline" })
call s:H("Ignore", { "fg": "bg" })
call s:H("Error", { "fg": s:brown, "bg": s:red })
call s:H("Todo", { "fg": s:brown, "bg": s:orange })

" Set up highlights for various UI elements.
call s:H("ErrorMsg", { "fg": s:brown, "bg": s:red })
call s:H("Folded", { "fg": s:brown, "bg": s:pastel_blue })
call s:H("FoldColumn", { "fg": s:brown, "bg": s:pastel_blue })
call s:H("LineNr", { "fg": s:yellow })
call s:H("ModeMsg", { "opt": "bold" })
call s:H("MoreMsg", { "fg": s:blue, "opt": "bold" })
call s:H("Pmenu", { "bg": s:dark_brown })
call s:H("PmenuSel",
      \ { "fg": s:dark_brown, "bg": s:light_brown, "opt": "bold" })
call s:H("PmenuSbar", { "bg": s:light_brown })
call s:H("PmenuThumb", { "bg": s:blue })
call s:H("Question", { "fg": s:pink, "opt": "bold" })
call s:H("SignColumn", { "fg": s:brown, "bg": s:mint_green })
call s:H("StatusLine", { "fg": s:brown, "bg": s:pastel_blue, "opt": "bold" })
call s:H("StatusLineNC", { "fg": s:brown, "bg": s:mint_green })
call s:H("TabLine", { "fg": s:brown, "bg": s:mint_green })
call s:H("TabLineFill", { "bg": s:mint_green })
call s:H("TabLineSel", { "fg": s:brown, "bg": s:pastel_blue, "opt": "bold" })
call s:H("Title", { "fg": s:red, "opt": "bold" })
call s:H("WarningMsg", { "fg": s:brown, "bg": s:pink })
call s:H("WildMenu", { "fg": s:brown, "bg": s:mint_green })
call s:H("VertSplit", { "fg": s:brown, "bg": s:mint_green })

" Use plain old reverse video for the blinking cursor.
call s:H("Cursor", { "fg": "fg", "bg": "bg", "opt": "reverse" })
call s:H("CursorIM", { "fg": "fg", "bg": "bg", "opt": "reverse" })

" Darken the background of the current line and column.
call s:H("CursorLine", { "bg": s:dark_brown })
call s:H("CursorColumn", { "bg": s:dark_brown })

" Darken the background of the right margin.
call s:H("ColorColumn", { "bg": s:dark_brown })

" Highlight matched delimiters in a way that's clearly distinguishable from
" unmatched delimiter/statement/preprocessor highlighting.
call s:H("MatchParen",
      \ { "fg": s:dark_brown, "bg": s:light_brown, "opt": 'bold' })

" Set up highlights for imaginary `~` and `@` characters as well as special
" keys.
call s:H("NonText", { "fg": s:pastel_blue })
call s:H("SpecialKey", { "fg": s:pastel_blue })

" Set a vibrant background for visual mode.
call s:H("Visual", { "fg": s:brown, "bg": s:lime_green })
call s:H("VisualNOS", { "fg": s:brown, "bg": s:pastel_green })

" Use cold highlights for incremental searching and warm highlights for final
" search results.
call s:H("IncSearch", { "fg": s:brown, "bg": s:pastel_blue })
call s:H("Search", { "fg": s:brown, "bg": s:tan })

" Set up spell-checking in an unobtrusive way.
call s:H("SpellBad", { "sp": s:red, "opt": "undercurl" })
call s:H("SpellCap", { "sp": s:pastel_blue, "opt": "undercurl" })
call s:H("SpellLocal", { "sp": s:yellow, "opt": "undercurl" })
call s:H("SpellRare", { "sp": s:pink, "opt": "undercurl" })

" Don't do anything special for concealed tokens.
call s:H("Conceal", {})

" Set highlights for directory listings.
call s:H("Directory", { "fg": s:pastel_blue })

" Use readable diff highlights. :)
call s:H("DiffAdd", { "fg": s:brown, "bg": s:green, "opt": "bold" })
call s:H("DiffChange", { "fg": s:brown, "bg": s:pink })
call s:H("DiffDelete", { "fg": s:brown, "bg": s:red })
call s:H("DiffText", { "fg": s:brown, "bg": s:pastel_blue, "opt": "bold" })

" Set up custom highlights for bad-whitespace.vim.
call s:H("BadWhitespace", { "fg": s:brown, "bg": s:red })

" Render TeX macros in preprocessor style. They are macros, after all. :P
highlight link texStatement PreProc