Only fit for vimhack/dotfiles
It will show current colorscheme and font of Alacritty in tmux status bar.
Add plugin to the list of TPM plugins in .tmux.conf:
set -g @plugin 'vimhack/tmux-show-colorscheme#main'
Hit prefix + I to fetch the plugin and source it.
#{current_colorscheme}, #{current_opacity}, #{current_font}, #{current_font_size}
and #{current_font_style} interpolation should now work.
Add #{current_colorscheme}, #{current_opacity}, #{current_font}, #{current_font_size},
#{current_font_style} format string to your existing status-right tmux option.