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neovim/runtime/colors/vim.vim
Evgeni Chasnovski 64a14026d7
feat(highlight): update default color scheme 
Problem: Default color scheme is suboptimal.

Solution: Start using new color scheme. Introduce new `vim` color scheme
for opt-in backward compatibility.

------
Main design ideas
- Be "Neovim branded".
- Be minimal for 256 colors with a bit more shades for true colors.
- Be accessible through high enough contrast ratios.
- Be suitable for dark and light backgrounds via exchange of dark and
  light palettes.

------
Palettes

- Have dark and light variants. Implemented through exporeted
  `NvimDark*` and `NvimLight*` hex colors.

- Palettes have 4 shades of grey for UI elements and 6 colors (red,
  yellow, green, cyan, blue, magenta).

- Actual values are computed procedurally in Oklch color space based on
  a handful of hyperparameters.

- Each color has a 256 colors variant with perceptually closest color.

------
Highlight groups

Use:

- Grey shades for general UI according to their design.

- Bold text for keywords (`Statement` highlight group). This is an
  important choice to increase accessibility for people with color
  deficiencies, as it doesn't rely on actual color.

- Green for strings, `DiffAdd` (as background), `DiagnosticOk`, and some
  minor text UI elements.

- Cyan as main syntax color, i.e. for function usage (`Function`
  highlight group), `DiffText`, `DiagnosticInfo`, and some minor text UI
  elements.

- Red to generally mean high user attention, i.e. errors; in particular
  for `ErrorMsg`, `DiffDelete`, `DiagnosticError`.

- Yellow very sparingly only with true colors to mean mild user
  attention, i.e. warnings. That is, `DiagnosticWarn` and `WarningMsg`.

- Blue very sparingly only with true colors as `DiagnosticHint` and some
  additional important syntax group (like `Identifier`).

- Magenta very carefully (if at all).

------
Notes

- To make tests work without relatively larege updates, each one is
  prepended with an equivalent of the call `:colorscheme vim`.

  Plus some tests which spawn new Neovim instances also now use 'vim'
  color scheme.

  In some cases tests are updated to fit new default color scheme.
2023-12-02 18:53:19 +02:00

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" Name: vim
" Description: Vim's default color scheme
" Author: Bram Moolenaar <Bram@vim.org>
" Maintainer: The Vim Project <https://github.com/vim/vim>
" Website: https://github.com/vim/vim
" License: Same as Vim
" Last Updated: 2023 Aug 10
" This is Vim's default color scheme. It doesn't define the Normal
" highlighting, it uses whatever the colors used to be.
hi clear
let g:colors_name = 'vim'
" General
hi Conceal guifg=LightGrey guibg=DarkGrey guisp=NONE gui=NONE ctermfg=LightGrey ctermbg=DarkGrey cterm=NONE
hi Cursor guifg=bg guibg=fg guisp=NONE gui=NONE ctermfg=bg ctermbg=fg cterm=NONE
hi lCursor guifg=bg guibg=fg guisp=NONE gui=NONE ctermfg=bg ctermbg=fg cterm=NONE
hi DiffText guifg=NONE guibg=Red guisp=NONE gui=bold ctermfg=NONE ctermbg=Red cterm=bold
hi ErrorMsg guifg=White guibg=Red guisp=NONE gui=NONE ctermfg=White ctermbg=DarkRed cterm=NONE
hi IncSearch guifg=NONE guibg=NONE guisp=NONE gui=reverse ctermfg=NONE ctermbg=NONE cterm=reverse
hi ModeMsg guifg=NONE guibg=NONE guisp=NONE gui=bold ctermfg=NONE ctermbg=NONE cterm=bold
hi NonText guifg=Blue guibg=NONE guisp=NONE gui=bold ctermfg=Blue ctermbg=NONE cterm=NONE
hi Normal guifg=NONE guibg=NONE guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=NONE
hi PmenuSbar guifg=NONE guibg=Grey guisp=NONE gui=NONE ctermfg=NONE ctermbg=Grey cterm=NONE
hi StatusLine guifg=NONE guibg=NONE guisp=NONE gui=reverse,bold ctermfg=NONE ctermbg=NONE cterm=reverse,bold
hi StatusLineNC guifg=NONE guibg=NONE guisp=NONE gui=reverse ctermfg=NONE ctermbg=NONE cterm=reverse
hi TabLineFill guifg=NONE guibg=NONE guisp=NONE gui=reverse ctermfg=NONE ctermbg=NONE cterm=reverse
hi TabLineSel guifg=NONE guibg=NONE guisp=NONE gui=bold ctermfg=NONE ctermbg=NONE cterm=bold
hi TermCursor guifg=NONE guibg=NONE guisp=NONE gui=reverse ctermfg=NONE ctermbg=NONE cterm=reverse
hi WinBar guifg=NONE guibg=NONE guisp=NONE gui=bold ctermfg=NONE ctermbg=NONE cterm=bold
hi WildMenu guifg=Black guibg=Yellow guisp=NONE gui=NONE ctermfg=Black ctermbg=Yellow cterm=NONE
hi! link VertSplit Normal
hi! link WinSeparator VertSplit
hi! link WinBarNC WinBar
hi! link EndOfBuffer NonText
hi! link LineNrAbove LineNr
hi! link LineNrBelow LineNr
hi! link QuickFixLine Search
hi! link CursorLineSign SignColumn
hi! link CursorLineFold FoldColumn
hi! link CurSearch Search
hi! link PmenuKind Pmenu
hi! link PmenuKindSel PmenuSel
hi! link PmenuExtra Pmenu
hi! link PmenuExtraSel PmenuSel
hi! link Substitute Search
hi! link Whitespace NonText
hi! link MsgSeparator StatusLine
hi! link NormalFloat Pmenu
hi! link FloatBorder WinSeparator
hi! link FloatTitle Title
hi! link FloatFooter Title
hi FloatShadow guifg=NONE guibg=Black guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=NONE blend=80
hi FloatShadowThrough guifg=NONE guibg=Black guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=NONE blend=100
hi RedrawDebugNormal guifg=NONE guibg=NONE guisp=NONE gui=reverse ctermfg=NONE ctermbg=NONE cterm=reverse
hi RedrawDebugClear guifg=NONE guibg=Yellow guisp=NONE gui=NONE ctermfg=NONE ctermbg=Yellow cterm=NONE
hi RedrawDebugComposed guifg=NONE guibg=Green guisp=NONE gui=NONE ctermfg=NONE ctermbg=Green cterm=NONE
hi RedrawDebugRecompose guifg=NONE guibg=Red guisp=NONE gui=NONE ctermfg=NONE ctermbg=Red cterm=NONE
hi Error guifg=White guibg=Red guisp=NONE gui=NONE ctermfg=White ctermbg=Red cterm=NONE term=reverse
hi Todo guifg=Blue guibg=Yellow guisp=NONE gui=NONE ctermfg=Black ctermbg=Yellow cterm=NONE term=standout
hi! link String Constant
hi! link Character Constant
hi! link Number Constant
hi! link Boolean Constant
hi! link Float Number
hi! link Function Identifier
hi! link Conditional Statement
hi! link Repeat Statement
hi! link Label Statement
hi! link Operator Statement
hi! link Keyword Statement
hi! link Exception Statement
hi! link Include PreProc
hi! link Define PreProc
hi! link Macro PreProc
hi! link PreCondit PreProc
hi! link StorageClass Type
hi! link Structure Type
hi! link Typedef Type
hi! link Tag Special
hi! link SpecialChar Special
hi! link Delimiter Special
hi! link SpecialComment Special
hi! link Debug Special
hi DiagnosticError guifg=Red guibg=NONE guisp=NONE gui=NONE ctermfg=1 ctermbg=NONE cterm=NONE
hi DiagnosticWarn guifg=Orange guibg=NONE guisp=NONE gui=NONE ctermfg=3 ctermbg=NONE cterm=NONE
hi DiagnosticInfo guifg=LightBlue guibg=NONE guisp=NONE gui=NONE ctermfg=4 ctermbg=NONE cterm=NONE
hi DiagnosticHint guifg=LightGrey guibg=NONE guisp=NONE gui=NONE ctermfg=7 ctermbg=NONE cterm=NONE
hi DiagnosticOk guifg=LightGreen guibg=NONE guisp=NONE gui=NONE ctermfg=10 ctermbg=NONE cterm=NONE
hi DiagnosticUnderlineError guifg=NONE guibg=NONE guisp=Red gui=underline ctermfg=NONE ctermbg=NONE cterm=underline
hi DiagnosticUnderlineWarn guifg=NONE guibg=NONE guisp=Orange gui=underline ctermfg=NONE ctermbg=NONE cterm=underline
hi DiagnosticUnderlineInfo guifg=NONE guibg=NONE guisp=LightBlue gui=underline ctermfg=NONE ctermbg=NONE cterm=underline
hi DiagnosticUnderlineHint guifg=NONE guibg=NONE guisp=LightGrey gui=underline ctermfg=NONE ctermbg=NONE cterm=underline
hi DiagnosticUnderlineOk guifg=NONE guibg=NONE guisp=LightGreen gui=underline ctermfg=NONE ctermbg=NONE cterm=underline
hi! link DiagnosticVirtualTextError DiagnosticError
hi! link DiagnosticVirtualTextWarn DiagnosticWarn
hi! link DiagnosticVirtualTextInfo DiagnosticInfo
hi! link DiagnosticVirtualTextHint DiagnosticHint
hi! link DiagnosticVirtualTextOk DiagnosticOk
hi! link DiagnosticFloatingError DiagnosticError
hi! link DiagnosticFloatingWarn DiagnosticWarn
hi! link DiagnosticFloatingInfo DiagnosticInfo
hi! link DiagnosticFloatingHint DiagnosticHint
hi! link DiagnosticFloatingOk DiagnosticOk
hi! link DiagnosticSignError DiagnosticError
hi! link DiagnosticSignWarn DiagnosticWarn
hi! link DiagnosticSignInfo DiagnosticInfo
hi! link DiagnosticSignHint DiagnosticHint
hi! link DiagnosticSignOk DiagnosticOk
hi DiagnosticDeprecated guifg=NONE guibg=NONE guisp=Red gui=strikethrough ctermfg=NONE ctermbg=NONE cterm=strikethrough
hi! link DiagnosticUnnecessary Comment
hi! link LspInlayHint NonText
hi! link SnippetTabstop Visual
" Text
hi! link @text.literal Comment
hi! link @text.reference Identifier
hi! link @text.title Title
hi! link @text.uri Underlined
hi! link @text.underline Underlined
hi! link @text.todo Todo
" Miscs
hi! link @comment Comment
hi! link @punctuation Delimiter
" Constants
hi! link @constant Constant
hi! link @constant.builtin Special
hi! link @constant.macro Define
hi! link @define Define
hi! link @macro Macro
hi! link @string String
hi! link @string.escape SpecialChar
hi! link @string.special SpecialChar
hi! link @character Character
hi! link @character.special SpecialChar
hi! link @number Number
hi! link @boolean Boolean
hi! link @float Float
" Functions
hi! link @function Function
hi! link @function.builtin Special
hi! link @function.macro Macro
hi! link @parameter Identifier
hi! link @method Function
hi! link @field Identifier
hi! link @property Identifier
hi! link @constructor Special
" Keywords
hi! link @conditional Conditional
hi! link @repeat Repeat
hi! link @label Label
hi! link @operator Operator
hi! link @keyword Keyword
hi! link @exception Exception
hi! link @variable Identifier
hi! link @type Type
hi! link @type.definition Typedef
hi! link @storageclass StorageClass
hi! link @namespace Identifier
hi! link @include Include
hi! link @preproc PreProc
hi! link @debug Debug
hi! link @tag Tag
" LSP semantic tokens
hi! link @lsp.type.class Structure
hi! link @lsp.type.comment Comment
hi! link @lsp.type.decorator Function
hi! link @lsp.type.enum Structure
hi! link @lsp.type.enumMember Constant
hi! link @lsp.type.function Function
hi! link @lsp.type.interface Structure
hi! link @lsp.type.macro Macro
hi! link @lsp.type.method Function
hi! link @lsp.type.namespace Structure
hi! link @lsp.type.parameter Identifier
hi! link @lsp.type.property Identifier
hi! link @lsp.type.struct Structure
hi! link @lsp.type.type Type
hi! link @lsp.type.typeParameter TypeDef
hi! link @lsp.type.variable Identifier
if &background ==# 'light'
" Default colors only used with a light background.
hi ColorColumn guifg=NONE guibg=LightRed guisp=NONE gui=NONE ctermfg=NONE ctermbg=LightRed cterm=NONE
hi CursorColumn guifg=NONE guibg=Grey90 guisp=NONE gui=NONE ctermfg=NONE ctermbg=LightGrey cterm=NONE
hi CursorLine guifg=NONE guibg=Grey90 guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=underline
hi CursorLineNr guifg=Brown guibg=NONE guisp=NONE gui=bold ctermfg=Brown ctermbg=NONE cterm=underline
hi DiffAdd guifg=NONE guibg=LightBlue guisp=NONE gui=NONE ctermfg=NONE ctermbg=LightBlue cterm=NONE
hi DiffChange guifg=NONE guibg=LightMagenta guisp=NONE gui=NONE ctermfg=NONE ctermbg=LightMagenta cterm=NONE
hi DiffDelete guifg=Blue guibg=LightCyan guisp=NONE gui=bold ctermfg=Blue ctermbg=LightCyan cterm=NONE
hi Directory guifg=Blue guibg=NONE guisp=NONE gui=NONE ctermfg=DarkBlue ctermbg=NONE cterm=NONE
hi FoldColumn guifg=DarkBlue guibg=Grey guisp=NONE gui=NONE ctermfg=DarkBlue ctermbg=Grey cterm=NONE
hi Folded guifg=DarkBlue guibg=LightGrey guisp=NONE gui=NONE ctermfg=DarkBlue ctermbg=Grey cterm=NONE
hi LineNr guifg=Brown guibg=NONE guisp=NONE gui=NONE ctermfg=Brown ctermbg=NONE cterm=NONE
hi MatchParen guifg=NONE guibg=Cyan guisp=NONE gui=NONE ctermfg=NONE ctermbg=Cyan cterm=NONE
hi MoreMsg guifg=SeaGreen guibg=NONE guisp=NONE gui=bold ctermfg=DarkGreen ctermbg=NONE cterm=NONE
hi Pmenu guifg=NONE guibg=LightMagenta guisp=NONE gui=NONE ctermfg=Black ctermbg=LightMagenta cterm=NONE
hi PmenuSel guifg=NONE guibg=Grey guisp=NONE gui=NONE ctermfg=Black ctermbg=LightGrey cterm=NONE blend=NONE
hi PmenuThumb guifg=NONE guibg=Black guisp=NONE gui=NONE ctermfg=NONE ctermbg=Black cterm=NONE
hi Question guifg=SeaGreen guibg=NONE guisp=NONE gui=bold ctermfg=DarkGreen ctermbg=NONE cterm=NONE
hi Search guifg=NONE guibg=Yellow guisp=NONE gui=NONE ctermfg=NONE ctermbg=Yellow cterm=NONE
hi SignColumn guifg=DarkBlue guibg=Grey guisp=NONE gui=NONE ctermfg=DarkBlue ctermbg=Grey cterm=NONE
hi SpecialKey guifg=Blue guibg=NONE guisp=NONE gui=NONE ctermfg=DarkBlue ctermbg=NONE cterm=NONE
hi SpellBad guifg=NONE guibg=NONE guisp=Red gui=undercurl ctermfg=NONE ctermbg=LightRed cterm=NONE
hi SpellCap guifg=NONE guibg=NONE guisp=Blue gui=undercurl ctermfg=NONE ctermbg=LightBlue cterm=NONE
hi SpellLocal guifg=NONE guibg=NONE guisp=DarkCyan gui=undercurl ctermfg=NONE ctermbg=Cyan cterm=NONE
hi SpellRare guifg=NONE guibg=NONE guisp=Magenta gui=undercurl ctermfg=NONE ctermbg=LightMagenta cterm=NONE
hi TabLine guifg=NONE guibg=LightGrey guisp=NONE gui=underline ctermfg=black ctermbg=LightGrey cterm=underline
hi Title guifg=Magenta guibg=NONE guisp=NONE gui=bold ctermfg=DarkMagenta ctermbg=NONE cterm=NONE
hi Visual guifg=NONE guibg=LightGrey guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=NONE
hi WarningMsg guifg=Red guibg=NONE guisp=NONE gui=NONE ctermfg=DarkRed ctermbg=NONE cterm=NONE
hi Comment guifg=Blue guibg=NONE guisp=NONE gui=NONE ctermfg=DarkBlue ctermbg=NONE cterm=NONE term=bold
hi Constant guifg=Magenta guibg=NONE guisp=NONE gui=NONE ctermfg=DarkRed ctermbg=NONE cterm=NONE term=underline
hi Special guifg=#6a5acd guibg=NONE guisp=NONE gui=NONE ctermfg=DarkMagenta ctermbg=NONE cterm=NONE term=bold
hi Identifier guifg=DarkCyan guibg=NONE guisp=NONE gui=NONE ctermfg=DarkCyan ctermbg=NONE cterm=NONE term=underline
hi Statement guifg=Brown guibg=NONE guisp=NONE gui=bold ctermfg=Brown ctermbg=NONE cterm=NONE term=bold
hi PreProc guifg=#6a0dad guibg=NONE guisp=NONE gui=NONE ctermfg=DarkMagenta ctermbg=NONE cterm=NONE term=underline
hi Type guifg=SeaGreen guibg=NONE guisp=NONE gui=bold ctermfg=DarkGreen ctermbg=NONE cterm=NONE term=underline
hi Underlined guifg=SlateBlue guibg=NONE guisp=NONE gui=underline ctermfg=DarkMagenta ctermbg=NONE cterm=underline term=underline
hi Ignore guifg=bg guibg=NONE guisp=NONE gui=NONE ctermfg=white ctermbg=NONE cterm=NONE term=NONE
else
" Default colors only used with a dark background.
hi ColorColumn guifg=NONE guibg=DarkRed guisp=NONE gui=NONE ctermfg=NONE ctermbg=DarkRed cterm=NONE
hi CursorColumn guifg=NONE guibg=Grey40 guisp=NONE gui=NONE ctermfg=NONE ctermbg=DarkGrey cterm=NONE
hi CursorLine guifg=NONE guibg=Grey40 guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=underline
hi CursorLineNr guifg=Yellow guibg=NONE guisp=NONE gui=bold ctermfg=Yellow ctermbg=NONE cterm=underline
hi DiffAdd guifg=NONE guibg=DarkBlue guisp=NONE gui=NONE ctermfg=NONE ctermbg=DarkBlue cterm=NONE
hi DiffChange guifg=NONE guibg=DarkMagenta guisp=NONE gui=NONE ctermfg=NONE ctermbg=DarkMagenta cterm=NONE
hi DiffDelete guifg=Blue guibg=DarkCyan guisp=NONE gui=bold ctermfg=Blue ctermbg=DarkCyan cterm=NONE
hi Directory guifg=Cyan guibg=NONE guisp=NONE gui=NONE ctermfg=LightCyan ctermbg=NONE cterm=NONE
hi FoldColumn guifg=Cyan guibg=Grey guisp=NONE gui=NONE ctermfg=Cyan ctermbg=DarkGrey cterm=NONE
hi Folded guifg=Cyan guibg=DarkGrey guisp=NONE gui=NONE ctermfg=Cyan ctermbg=DarkGrey cterm=NONE
hi LineNr guifg=Yellow guibg=NONE guisp=NONE gui=NONE ctermfg=Yellow ctermbg=NONE cterm=NONE
hi MatchParen guifg=NONE guibg=DarkCyan guisp=NONE gui=NONE ctermfg=NONE ctermbg=DarkCyan cterm=NONE
hi MoreMsg guifg=SeaGreen guibg=NONE guisp=NONE gui=bold ctermfg=LightGreen ctermbg=NONE cterm=NONE
hi Pmenu guifg=NONE guibg=Magenta guisp=NONE gui=NONE ctermfg=Black ctermbg=Magenta cterm=NONE
hi PmenuSel guifg=NONE guibg=DarkGrey guisp=NONE gui=NONE ctermfg=DarkGrey ctermbg=Black cterm=NONE blend=NONE
hi PmenuThumb guifg=NONE guibg=White guisp=NONE gui=NONE ctermfg=NONE ctermbg=White cterm=NONE
hi Question guifg=Green guibg=NONE guisp=NONE gui=bold ctermfg=LightGreen ctermbg=NONE cterm=NONE
hi Search guifg=Black guibg=Yellow guisp=NONE gui=NONE ctermfg=Black ctermbg=Yellow cterm=NONE
hi SignColumn guifg=Cyan guibg=Grey guisp=NONE gui=NONE ctermfg=Cyan ctermbg=DarkGrey cterm=NONE
hi SpecialKey guifg=Cyan guibg=NONE guisp=NONE gui=NONE ctermfg=LightBlue ctermbg=NONE cterm=NONE
hi SpellBad guifg=NONE guibg=NONE guisp=Red gui=undercurl ctermfg=NONE ctermbg=Red cterm=NONE
hi SpellCap guifg=NONE guibg=NONE guisp=Blue gui=undercurl ctermfg=NONE ctermbg=Blue cterm=NONE
hi SpellLocal guifg=NONE guibg=NONE guisp=Cyan gui=undercurl ctermfg=NONE ctermbg=Cyan cterm=NONE
hi SpellRare guifg=NONE guibg=NONE guisp=Magenta gui=undercurl ctermfg=NONE ctermbg=Magenta cterm=NONE
hi TabLine guifg=NONE guibg=DarkGrey guisp=NONE gui=underline ctermfg=white ctermbg=DarkGrey cterm=underline
hi Title guifg=Magenta guibg=NONE guisp=NONE gui=bold ctermfg=LightMagenta ctermbg=NONE cterm=NONE
hi Visual guifg=NONE guibg=DarkGrey guisp=NONE gui=NONE ctermfg=NONE ctermbg=NONE cterm=NONE
hi WarningMsg guifg=Red guibg=NONE guisp=NONE gui=NONE ctermfg=LightRed ctermbg=NONE cterm=NONE
hi Comment guifg=#80a0ff guibg=NONE guisp=NONE gui=NONE ctermfg=Cyan ctermbg=NONE cterm=NONE term=bold
hi Constant guifg=#ffa0a0 guibg=NONE guisp=NONE gui=NONE ctermfg=Magenta ctermbg=NONE cterm=NONE term=underline
hi Special guifg=Orange guibg=NONE guisp=NONE gui=NONE ctermfg=LightRed ctermbg=NONE cterm=NONE term=bold
hi Identifier guifg=#40ffff guibg=NONE guisp=NONE gui=NONE ctermfg=Cyan ctermbg=NONE cterm=bold term=underline
hi Statement guifg=#ffff60 guibg=NONE guisp=NONE gui=bold ctermfg=Yellow ctermbg=NONE cterm=NONE term=bold
hi PreProc guifg=#ff80ff guibg=NONE guisp=NONE gui=NONE ctermfg=LightBlue ctermbg=NONE cterm=NONE term=underline
hi Type guifg=#60ff60 guibg=NONE guisp=NONE gui=bold ctermfg=LightGreen ctermbg=NONE cterm=NONE term=underline
hi Underlined guifg=#80a0ff guibg=NONE guisp=NONE gui=underline ctermfg=LightBlue ctermbg=NONE cterm=underline term=underline
hi Ignore guifg=bg guibg=NONE guisp=NONE gui=NONE ctermfg=black ctermbg=NONE cterm=NONE term=NONE
endif
" vim: sw=2
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