Hey, those look familiar. I think I could still pass an annual Navy Flight physical. (As long as they didn't look to closely at the scars on my back...or ask too many questions.)
Aren't some firearms safety positions denoted by red dots for armed and green dots for safe?
I'm also R/G/Brown color blind/ deficient/ whatever. Was told I have significantly more rods(b&w) than cones (color). As such I see movement much sooner than most but also seem to be able to see much fainter stars than "normal" people. I see high flying aircraft when others don't. That translates into longer iron sight shots than many are comfortable with, without using a scope. If I see a 14 point buck at 150 yards first, I don't really care if he's red, green or brown : He is MINE!
Hunters vests are no problem, and I don't flip the safety unless I know what the target is and the background, regardless of color.
It's more a novelty, and have developed heuristics to determine most colors, IF that becomes important. I use an ohm meter to figure out resistor values.
Active sources (stop lights) and high contrasts are not an issue.
: He is MINE!