Well In Motorcycle It Is. Statistic's Say Green Blue And Brown Any Earth Tones Get Ran Over Hit Cause People Don't See Them Speaking From Experience I've Had All Three Colors And All Three Are In The Bone Yard So Not To Be Superstitious Or Any Thing All My Bikes Car And Truck Including Semi's Are Bright Colors You Wouldn't Think A Semi Would Matter Cause There So Big But I Had A Person Take Out My Front Fender And Bumper And When Asked What Happened She Replied She Didn't See Me Awe Duh I'm As Big As A House And Have A Hundred Light On And You Didn't See Me!! What You Been Smokin I want some