It's not uncommon to spot a blue and yellow flag among national and state flags, and the color combinations often symbolize nature. Blue backgrounds, whether they are dark blue or light blue ...

But by the end of this weekend, the policy had seemingly shifted again. In general, the use of yellow flags in NASCAR has evolved over the last 20 years. For much of racing history, a yellow flag ...

On Thursday morning, the Pensacola Beach Lifeguards announced via Facebook that the assigned beach flag for the day was pulled back to yellow. If you're still not quite sure what each flag means ...