Cool stuff, DOH. When I did the search, I got seventeen returns.
A few were due to seriously adverse conditions, like flying over fires and mountainous terrain. Others were pilots irresponsibly flying at night in bad weather or general bad weather problems. A couple were due to crappy landings, once clearance had been given. Some of them weren't even involving colour defectives. The entries came up because it was written in the report that their colour vision was fine and hence the key word was in there.
None of those accidents were said to be a result in whole or in part due to defective colour vision.