Most Visible Color
In the end, the location of the markers will be determined by their surroundings. Local officials should choose the shade that makes them the most visible to pilots. And in the vast majority of cases, that hue will be bright orange.

Most Visible Color
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Catching The Pilot’s Attention
If there are fewer than four balls on a wire, they should all be this garish shade of clementine. Longer wires with more balls, on the other hand, may benefit from a color pattern to ensure that at least one of them catches the pilot’s attention. The majority of these sequences alternate between orange, white, and yellow.

Catching The Pilot’s Attention