Cl head

functions much like a neon sign.

15,000 volts will ionize the gas, excited to giving off its characteristic color.

The gases that are available for neon signs are xenon, which is a pale blue helium, which is a kind of a peach color.

Krypton, which is a silver color, it's not a planet.

And argon, which is a lavender and neon, which is the brightest, especially on a rainy night.