Looking at the image on a computer monitor is like looking at the world through Blue Blocker sunglasses. You don't see thing as they really are.
In the real world, you need to take the sunglasses off.
In the video world, you need to take the video off the computer, and get it onto a calibrated display from a 'hardware player'.
There are two ways to do that.
1.
https://www.blackmagicdesign.com/products/decklink2. Export and play from media player.
So...take off those glasses and report back.