Here is something that only around 1 in 12 men and 1 in 200 women think about. What colour of route marking tape is the best if you are colour blind? This actually came up for the first time this summer; it seems like most colour blind people just suffer in silence, so nobody had mentioned it until recently. We used to use white but switched to blaze orange (for a reason mentioned below). One of our course flaggers could not see the orange tape at all, which posed a real problem when it came time to take it down. Colour blindness falls into four main categories: red, green, and blue deficiency, as well as the rarer condition of total colour blindness. Using the app Color Blind Pal (iOS and Android), you can approximate what people with each of the three main types of deficiency see when they look at different colours. Keep in mind that there are variations of each, and some people have more severe colour blindness than others. SO... take a look at the four rows of t...
This is not a running blog. We post about topics in endurance sports, largely from the perspective of a race director.