Emacs: Xah Toggle Theme 🚀

(defun xah-toggle-theme ()
  "Toggle the deeper-blue theme.

URL `http://xahlee.info/emacs/emacs/elisp_xah-toggle-theme.html`
Created: 2024-08-22
Version: 2024-08-29"
  (interactive)
  (if custom-enabled-themes
      (progn
        (disable-theme 'deeper-blue)
        (set-background-color "honeydew"))
    (load-theme 'deeper-blue)))