Media?
Project Settings?
Render Template?
FXs?
Screengrab of your Timeline?
Without knowing a whole heap more, to give anything like an intelligent/informed response, I can still see you’ve got a serious colour swap-out.
Cheers
G
Video Content Creator and Potter
PC 7 64-bit 16gb * Intel® Core™i7-2600k Quad Core 3.40GHz * 2GB NVIDIA GEFORCE GTX 560 Ti
Cameras: Canon XF300 + PowerShot SX50HS Bridge