Ideally, the colour profit of any hardware device shouldn’t just be the preset of ‘canned’ one supplied by its manufacturer; you should test or ‘calibrate’ the device at regular intervals and recreate a profile according to its exact colour performance. This requires extra hardware and software. Calibrators for monitors are quite affordable, though, and professional designers should seriously consider investing in one. If the screen you are looking at is not representing colour accurately, there is little hope that the system as a whole