How to automatic row row in a colour based on cell value

Hi All, 

I require some assistance on a problem. Please see below: 

Context:

Everyday a purchser supplies you with a new date for when a part will come into your fridge making factory. If the new date given changes from the one given from yesterdays, then this would like to be flagged.

The problem:

- When a date that is later than the date supplied yesterday is inputted into column B, how do you code a way so that the whole row fills in the colour red.

Thanks in Advance!