Fire Hydrants: The Hidden Color CodeWhy their different shades are a matter of life and death.

From the show

Why it looks like that

The various colors of a fire hydrant aren't for decoration; they're a crucial visual code for firefighters. This system instantly communicates the hydrant's water flow rate, allowing fire crews to make quick, critical decisions during an emergency. From the highest-flow blue tops to the lowest-flow red, this color-coding helps first responders identify the best water source for the job, saving precious time when it matters most.