[bluejekyll]

One thing I discovered when buying some custom plates made from old traffic signals was that while the glass for red and yellow were obviously those colors, the glass for “green” was actually blue.

They appear green because of the warmer light that incandescent bulbs give off. I imagine that things transition to LED they’ll choose warmer light frequencies to continue this effect? https://mytrafficlights.com/why-does-the-green-lens-on-my-tr...