Go-Dark, Go-Light

.zshrc

# setup OS
local os="$(uname)"

case $os in
  Darwin)
    # iTerm2 auto-Darkmode
    local val=$(defaults read -g AppleInterfaceStyle 2>/dev/null)
    if test ! -n "$val"; then
      export ITERM_PROFILE="Default"
    else
      export ITERM_PROFILE="Dark"
    fi

    godark() {
      dark-mode on
      exec zsh
    }

    golight() {
      dark-mode off
      exec zsh
    }
  ;;
esac

# Colors setup
case $ITERM_PROFILE in
  Default)
    local color00='#ffffff'
    local color01='#e0e0e0'
    local color02='#d6d6d6'
    local color03='#8e908c'
    local color04='#969896'
    local color05='#4d4d4c'
    local color06='#282a2e'
    local color07='#1d1f21'
    local color08='#c82829'
    local color09='#f5871f'
    local color0A='#eab700'
    local color0B='#718c00'
    local color0C='#3e999f'
    local color0D='#4271ae'
    local color0E='#8959a8'
    local color0F='#a3685a'
    ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE="fg=$color03"
    ZSH_HIGHLIGHT_STYLES[alias]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[assign]="fg=$color0B"
    ZSH_HIGHLIGHT_STYLES[comment]="fg=$color03"
    ZSH_HIGHLIGHT_STYLES[suffix-alias]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[global-alias]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[function]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[builtin]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[reserved-word]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[hashed-command]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[command]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[commandseparator]="fg=$color0A"
    ZSH_HIGHLIGHT_STYLES[default]="fg=$color0D"
    ZSH_HIGHLIGHT_STYLES[double-hyphen-option]="fg=$color0D"
    ZSH_HIGHLIGHT_STYLES[double-quoted-argument]="fg=$color0B"
    ZSH_HIGHLIGHT_STYLES[double-quoted-argument-unclosed]="fg=$color08"
    ZSH_HIGHLIGHT_STYLES[path]="fg=$color0D,underline"
    ZSH_HIGHLIGHT_STYLES[precommand]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[redirection]="fg=$color0C"
    ZSH_HIGHLIGHT_STYLES[single-hyphen-option]="fg=$color0D"
    ZSH_HIGHLIGHT_STYLES[single-quoted-argument]="fg=$color0B"
    ZSH_HIGHLIGHT_STYLES[single-quoted-argument-unclosed]="fg=$color08"
    export BAT_THEME="ansi"
    export DELTA_THEME="light"
    export HIGHLIGHT_STYLE="base16/tomorrow"
    export FZF_DEFAULT_OPTS="
    --height 75%
    --reverse
    --color=bg+:$color01,bg:$color00,spinner:$color0C,hl:$color0D
    --color=fg:$color04,header:$color0D,info:$color0A,pointer:$color0C
    --color=marker:$color0C,fg+:$color06,prompt:$color0A,hl+:$color0D"
    ;;
  Dark)
    local color00='#000000'
    local color01='#282a2e'
    local color02='#373b41'
    local color03='#969896'
    local color04='#b4b7b4'
    local color05='#c5c8c6'
    local color06='#e0e0e0'
    local color07='#ffffff'
    local color08='#cc6666'
    local color09='#de935f'
    local color0A='#f0c674'
    local color0B='#b5bd68'
    local color0C='#8abeb7'
    local color0D='#81a2be'
    local color0E='#b294bb'
    local color0F='#a3685a'
    ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE="fg=$color03"
    ZSH_HIGHLIGHT_STYLES[alias]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[assign]="fg=$color0B"
    ZSH_HIGHLIGHT_STYLES[comment]="fg=$color03"
    ZSH_HIGHLIGHT_STYLES[suffix-alias]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[global-alias]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[function]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[builtin]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[reserved-word]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[hashed-command]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[command]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[commandseparator]="fg=$color0A"
    ZSH_HIGHLIGHT_STYLES[default]="fg=$color0D"
    ZSH_HIGHLIGHT_STYLES[double-hyphen-option]="fg=$color0D"
    ZSH_HIGHLIGHT_STYLES[double-quoted-argument]="fg=$color0B"
    ZSH_HIGHLIGHT_STYLES[double-quoted-argument-unclosed]="fg=$color08"
    ZSH_HIGHLIGHT_STYLES[path]="fg=$color0D,underline"
    ZSH_HIGHLIGHT_STYLES[precommand]="fg=$color0E"
    ZSH_HIGHLIGHT_STYLES[redirection]="fg=$color0C"
    ZSH_HIGHLIGHT_STYLES[single-hyphen-option]="fg=$color0D"
    ZSH_HIGHLIGHT_STYLES[single-quoted-argument]="fg=$color0B"
    ZSH_HIGHLIGHT_STYLES[single-quoted-argument-unclosed]="fg=$color08"
    export BAT_THEME="ansi"
    export DELTA_THEME="dark"
    export HIGHLIGHT_STYLE="base16/tomorrow-night"
    export FZF_DEFAULT_OPTS="
    --height 75%
    --reverse
    --color=bg+:$color01,bg:$color00,spinner:$color0C,hl:$color0D
    --color=fg:$color04,header:$color0D,info:$color0A,pointer:$color0C
    --color=marker:$color0C,fg+:$color06,prompt:$color0A,hl+:$color0D"
    ;;
esac

colorscheme.lua

return {
  { "hadret/all-blue.nvim" },  -- Tiny little theme for lualine
  {
    "nvim-lualine/lualine.nvim", -- Fancy status line
    event = "VeryLazy",
    opts = {
      options = {
        theme = "all_blue",
        section_separators = "",
        component_separators = "",
        globalstatus = true,
      },
      extensions = { "neo-tree", "lazy" },
    },
    config = function(_, opts)
      require("lualine").setup(opts)
    end,
  },
  {
    "olimorris/onedarkpro.nvim", -- Nice theme with good light and dark mode
    priority = 1000,
    config = function()
      require("onedarkpro").setup({
        colors = {
          onelight = {
            bg = "#FFFFFF",
          },
        },
        styles = {
          types = "NONE",
          methods = "NONE",
          numbers = "NONE",
          strings = "NONE",
          comments = "italic",
          keywords = "bold,italic",
          constants = "NONE",
          functions = "italic",
          operators = "NONE",
          variables = "NONE",
          parameters = "NONE",
          conditionals = "italic",
          virtual_text = "NONE",
        },
      })
      -- Sync background color with ITERM_PROFILE
      if vim.env.ITERM_PROFILE == "" then
        vim.o.background = "dark"
        vim.cmd("colorscheme onedark_dark")
      elseif vim.env.ITERM_PROFILE == "Dark" then
        vim.o.background = "dark"
        vim.cmd("colorscheme onedark_dark")
      elseif vim.env.ITERM_PROFILE == "Default" then
        vim.o.background = "light"
        vim.cmd("colorscheme onelight")
      else
        vim.o.background = "light"
        vim.cmd("colorscheme onelight")
      end
    end,
  },
}