lualine.nvim/lua/lualine/themes/gruvbox.lua

local gruvbox = {}

local colors = {
  black        = {"#282828", 235},
  white        = {'#ebdbb2', 223},
  red          = {'#fb4934', 203},
  green        = {'#b8bb26', 143},
  blue         = {'#83a598', 108},
  yellow       = {'#fe8019', 209},
  gray         = {'#a89984', 144},
  darkgray     = {'#3c3836', 237},
  lightgray    = {'#504945', 239},
  inactivegray = {'#7c6f64', 242},
}

gruvbox.normal = {
  a = { bg = colors.gray, fg = colors.black, gui = 'bold', },
  b = { bg = colors.lightgray, fg  = colors.white, },
  c = { bg = colors.darkgray, fg = colors.gray }
}

gruvbox.insert = {
  a = { bg = colors.blue, fg = colors.black, gui = 'bold', },
  b = { bg = colors.lightgray, fg = colors.white, },
  c = { bg = colors.lightgray, fg = colors.white }
}


gruvbox.visual = {
  a = { bg = colors.yellow, fg = colors.black, gui = 'bold', },
  b = { bg = colors.lightgray, fg = colors.white, },
  c = { bg = colors.inactivegray, fg = colors.black },
}

gruvbox.replace = {
  a = { bg = colors.red, fg = colors.black, gui = 'bold', },
  b = { bg = colors.lightgray, fg = colors.white, },
  c = { bg = colors.black, fg = colors.white },
}

gruvbox.command = {
  a = { bg = colors.green, fg = colors.black, gui = 'bold', },
  b = { bg = colors.lightgray, fg = colors.white, },
  c = { bg = colors.inactivegray, fg = colors.black },
}

gruvbox.inactive = {
  a = { bg = colors.darkgray, fg = colors.gray, gui = 'bold', },
  b = { bg = colors.darkgray, fg = colors.gray, },
  c = { bg = colors.darkgray, fg = colors.gray },
}

return gruvbox