We hear you! We are also not big fans of neon colors. But we still want to be seen by drivers at night, so we created black safety reflectors. They are discrete but show off their reflective power when you need them: in the light of car headlights, as far as 500 feet / 150 meters away.
Funfact: To be honest, the reflectors are grayish-black and only the edges are really black. For your safety, we put the clear, super reflective 3M Schotchlite material on top of a layer of black plastic. The embedded micro prisms which do all the magic, are not 100 % transparent (then they would not work), so they make the black look a little muffled.