2 examples for i3lock

{{ score }} 
  # Lock screen with blank
i3lock

# Lock screen with specified wallpaper ( png )
i3lock -i YOUR_PNG
  Submitted by anonymous user almost 6 years ago [permalink]
{{ score }} 
  # custom color (#RRGGBB) for i3lock
i3lock -c rrggbb
  Submitted by anonymous user about 5 years ago [permalink]