Color Coded Flight Deck Jerseys.......What Do They Mean?

Purple
Aviation Fuels [nickname: "Grapes"]
Blue
Plane Handlers
Aircraft elevator Operators
Tractor Drivers
Messengers and Phone Talkers
Green
Catapult and arresting gear crews
Air wing maintenance personnel
Air wing quality control personnel
Cargo-handling personnel
Ground Support Equipment (GSE) troubleshooters
Hook runners
Photographer's Mates
Helicopter landing signal enlisted personnel (LSE)
Yellow
Aircraft handling officers
Catapult and Arresting Gear Officers
Plane directors
Red
Ordnancemen
Crash and Salvage Crews
Explosive Ordnance Disposal (EOD)
Brown
Air wing plane captains
Air wing line leading petty officers
White
Squadron plane inspectors
Landing Signal Officer (LSO)
Air Transfer Officers (ATO)
Liquid Oxygen (LOX) crews
Safety Observers
Medical personnel