The raceway can then be painted to match the surrounding décor. It's extremely versatile and can be cut to the desired size. You open the latch, pop some cables inside, and then close it back up, concealing them from view. It's typically found in straight sections of various lengths - though sometimes it's on a roll - and it usually features a hinged latching top.
Around the house, latching raceway is the tried and true, go-to solution for your basic cable management needs.