Shelf of Coca Cola bottles with yellow caps - MDV Edwards/Shutterstock Since ... also designed its logo and crafted its color palette to maximize Coca Cola's recognizability.

Frank Mason Robinson, the man who actually named the drink, also designed its logo and crafted ... have noticed new Coca Cola bottles topped with yellow caps recently. This begs the question ...

Today, bottles of Coca-Cola that are kosher for Passover have yellow caps instead of the traditional red ones. In addition to the yellow cap, the bottle has a Passover certification symbol.