What color is 100 LL aviation fuel?

100 LL aviation fuel, which stands for Low Lead Aviation Gasoline, is specifically colored blue. This distinct color coding is an important safety feature that helps distinguish 100 LL from other types of fuel used in aviation and automotive applications, reducing the risk of misfuelling.

For instance, Jet A fuel is typically clear or straw-colored, while 100 octane aviation gasoline (AVGAS) used in piston-engine aircraft is often colored green. The use of color-coding in aviation fuels is crucial for pilots and ground crews to easily identify the correct fuel type for their aircraft, ensuring safety and compliance with aviation regulations.