Mine is blue / green defective safe. When I first wanted to join the RAAF in Radio was told eyesight not good enough. Joined in medical Part of medical duties was doing Ishihara test for colour blindness. Since I fail the test I had to learn the book by heart to know who was passing or failing Time to get out 6 years later was retested and noted to be blue / green defective safe and allowed to change jobs to keep me in I could read the colour bands on resistors and multi colour telecommunications cables Yes. Relating mainly to names Please Register or Log in to view the hidden image!