Computer generated images are verging on an ability to mimic reality. In Disney's Finding Dory 2016, the flag of the Marine Life Institute can be seen during a sunset. It is your standard seal on a blue bed sheet, or SOB flag as professional vexillologists would call it. In the seal is a kelp bed.
The logo of the Marine Life Institute can be seen in the background on the truck. Here the Nemo and his dad are frantically looking for Dory.