[QUOTE=cormac262]
I’ve been diving since 2000, and have done a fair number of trips.
The buddy system only works as well as the buddies want it to work. That is, it takes effort. Even with matching colors, it would still be easy to “lose” a buddy, if that buddy decides to not care about his/her buddy. Trust me, I know this first hand.
(snip)
With “good” buddies, you are generally close enough to be able to recognize their particulars without extra colors. Colors may all seem “the same”, but there are enough differences that you learn to recognize your buddy - especially if you dive with them regular enough (like 2 or 3 dives a day, on a 5 dive day trip).
One could argue that if you are not “close enough” to be able to identify your buddy, then you are also likely not close enough to 1) observe a problem, and/or 2) get to your buddy in time to help.
[/QUOTE]
I agree with all of this.
I’ve been certified since 1990, but most of my diving has been in the last 5 years since my wife got certified. If you aren’t close enough to be able to recognize your buddy (and you haven’t been keeping half an eye on where they are so you can find them quickly), then you’re not close enough or attentive enough. I’m a little obsessive about this (as well as checking air levels), but I think it’s better to err on the side of caution when your life is dependent on the bottle of air strapped to your back.
As for looking distinctive enough to be recognizable, there’s all kinds of ways to do this. Most brands of fin are available in many colors, so picking something a little out of the ordinary wouldn’t be hard. I write my name on my fins in big letters with a white paint marker, although that’s mostly so they don’t get mixed up with someone else’s. A brightly or unusually colored mask strap is a good idea, too. Get a neoprene “Slap Strap” in an obnoxious color, or with your local dive shop’s name printed on it (most shops carry these). Colored snorkels are fine, although most divers I know don’t wear one (wearing one might in itself make you distinctive).
Depending on where you normally dive, you might be recognizable by your gear. I dive with a backplate and wing as opposed to a jacket-style BC, and my primary regulator is on a 7-foot long hose, with the backup bungied under my chin. In Florida, I was often one of half-a-dozen people (or more) on the boat with a similar rig. On most Caribbean dive boats, I’m the only one. Last weekend on Lake Michigan, I was the only one diving in a drysuit. You can’t necessarily count on these things, but it is not as hard as you might think to be recognizable.