Calibrated screen looks dim and dull at the beginning and you would be wondering what's wrong. Give it a week and you won't be able to look at the usually over-bright over-saturated monitors you can see everywhere.
Fun note: I have recently visited my brother, who wanted to show off his brand new OLED TV... I thought I'm going to go blind and the colours were off too... by a mile. Oh and the sharpness data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7 He couldn't be happier so I had no heart to mention it