One person wrote in their reviews that it had good colour saturation.
One LG 31MU97 owner who purchased the product reckoned that it had a good refresh rate. Duncan Ransom he wrote two years ago “Blacks are black, colours are eye-popping (in a good way!), refresh rate, for a 4K IPS panel is great (60hz), so even moderate level gamers can use this” in his review of this PC monitor.
One LG 31MU97 owner who reviewed the LG 31MU97 concluded that it had good picture quality.