Oh how I miss it being light out when we run at 6PM... and warm... not shoe-sloshing warm, but short-sleeve weather would be nice again.
Fluorescent yellow, green, and yellow are the most visible colors. Yellow is best for daytime, orange stands out the most in fog, and green is best overall. Why? Well, our cones are most sensitive to yellow, but our rods (which we rely on more as it gets darker) are more sensitive to green. BUT, what we are really sensitive to is luminescence, which is where those retro-reflective strips come into play... or that crazy Nike jacket!
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