A:AnswerThanks for the question! Our 100Hz 34" model does not have a rear LED accent light. However, the 180Hz version does include a colored backlight, and it can be turned on or off in the monitor’s settings. You can view that model here:
https://www.bestbuy.com/product/deco-gear-34-super-ultrawide-curved-gaming-monitor-3440x1440-180hz-1ms-hdr-100-srgb-adaptive-sync-hdmi-dp-black/JJG3SJ8YQP