If You See a Purple Fence, Stop: Here’s What It Really Means

Before you grab a brush and a bucket, it’s important to know that purple paint isn’t meant to be random. States that recognize it have specific rules about how and where to use it.

Here’s what most laws require:

1. Vertical Stripes Only

The mark must be painted vertically — not splashed, not scribbled, not as a design. A vertical stripe is deliberate and signals that it’s meant as a boundary warning, not decoration.

2. Size and Visibility Matter

Each mark should be at least one inch wide and eight inches long, clearly visible from a distance. Anything smaller could be mistaken for a stain or weather damage.

3. Right Height on the Fence or Tree

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