Vim colorscheme uses handmade-hero.vim as a base

ske.vim

set background=dark

hi clear

if exists("syntax_on")
  syntax reset
endif

let colors_name = "handmade-hero"

function! s:HL(group, fg, ...)
  " Arguments: group, guifg, guibg, gui, guisp

  " foreground
  let fg = a:fg

  " background
  if a:0 >= 1
    let bg = a:1
  else
    let bg = s:none
  endif

  " emphasis
  if a:0 >= 2 && strlen(a:2)
    let emstr = a:2
  else
    let emstr = 'NONE,'
  endif

  " special fallback
  if a:0 >= 3
    if g:gruvbox_guisp_fallback != 'NONE'
      let fg = a:3
    endif

    " bg fallback mode should invert higlighting
    if g:gruvbox_guisp_fallback == 'bg'
      let emstr .= 'inverse,'
    endif
  endif

  let histring = [ 'hi', a:group,
        \ 'guifg=' . fg[0], 'ctermfg=' . fg[1],
        \ 'guibg=' . bg[0], 'ctermbg=' . bg[1],
        \ 'gui=' . emstr[:-2], 'cterm=' . emstr[:-2]
        \ ]

  " special
  if a:0 >= 3
    call add(histring, 'guisp=' . a:3[0])
  endif

  execute join(histring, ' ')
endfunction

" Colors

let s:c1 = ['#11291f', 234]
let s:c2 = ['#e5b083', 180]
let s:c3 = ['#bab349', 143]
let s:c4 = ['#66d191', 78]
let s:c5 = ['#876f59', 95]
let s:c6 = ['#fc9c49', 215]

let s:back = s:c1
let s:default = s:c2
let s:margin = s:c1
let s:margin_hover = s:c1
let s:margin_active = s:c5
let s:cursor = s:c4
let s:highlight = s:c6
let s:at_highlight = s:c1
let s:mark = s:c3
let s:comment = s:c5
let s:keyword = s:c4
let s:string = s:c3
let s:constant = s:c6
let s:preproc = s:c5
let s:special = s:c6
let s:bar = s:c3
let s:bar_active = s:c4
let s:base = s:c1

let s:none = ['NONE', 'NONE']
let s:underline = 'underline,'

call s:HL('Normal', s:default, s:back)
call s:HL('Special', s:special, s:back)
call s:HL('Visual', s:at_highlight, s:highlight)
call s:HL('Search', s:at_highlight, s:highlight)
call s:HL('IncSearch', s:at_highlight, s:highlight)

" The column separating vertically split windows
call s:HL('VertSplit', s:margin_active, s:margin)

" Current match in wildmenu completion
hi! link WildMenu Search

" Error messages on the command line
call s:HL('ErrorMsg', s:special, s:back)

" Line number for :number and :# commands
call s:HL('LineNr', s:default, s:back)
call s:HL('CursorLineNr', s:keyword, s:back)

" Tilde (~)
call s:HL('NonText', s:back, s:back)

" Character under cursor
call s:HL('Cursor', s:back, s:cursor)

call s:HL('Comment', s:comment)
call s:HL('Todo', s:special, s:back)

" Generic statement
call s:HL('Statement', s:keyword)
" if, then, else, endif, swicth, etc.
hi! link Conditional Statement
" for, do, while, etc.
hi! link Repeat Statement
" case, default, etc.
hi! link Label Statement
" try, catch, throw
hi! link Exception Statement
" sizeof, "+", "*", etc.
hi! link Operator Normal
" Any other keyword
hi! link Keyword Statement

" Variable name
hi! link Identifier Normal
" Function name
hi! link Function Statement

" Generic preprocessor
call s:HL('PreProc', s:preproc)
" Preprocessor #include
hi! link Include PreProc
" Preprocessor #define
hi! link Define PreProc
" Same as Define
hi! link Macro PreProc
" Preprocessor #if, #else, #endif, etc.
hi! link PreCondit PreProc

" Generic string
call s:HL('String', s:string)

" Generic constant
call s:HL('Constant', s:constant)
" Character constant: 'c', '/n'
hi! link Character Constant
" Boolean constant: TRUE, false
hi! link Boolean Constant
" Number constant: 234, 0xff
hi! link Number Constant
" Floating point constant: 2.3e10
hi! link Float Constant

" Generic type
hi! link Type Statement
" static, register, volatile, etc
hi! link StorageClass Statement
" struct, union, enum, etc.
hi! link Structure Statement
" typedef
hi! link Typedef Statement

" Completion Menu

if version >= 700
  " Popup menu: normal item
  call s:HL('Pmenu', s:default, s:back)
  " Popup menu: selected item
  hi! link PmenuSel Search
endif

" Tab
call s:HL('TabLine', s:base, s:bar)
call s:HL('TabLineSel', s:base, s:bar_active)
call s:HL('TabLineFill', s:base, s:bar)

" Sneak

autocmd ColorScheme handmade-hero hi! link Sneak Search
autocmd ColorScheme handmade-hero hi! link SneakLabel Search

" Vim Multiple Cursors

hi! link multiple_cursors_cursor Cursor
hi! link multiple_cursors_visual Visual

" Markdown

hi! link markdownH1 Statement
hi! link markdownH2 Statement
hi! link markdownH3 Statement

hi! link markdownLinkText Statement