What are the tree different ways colored light can be produced neon tubing?

1. Using different gases will produce different colors. Ex Neon gives orange, Helium gives purple 2. Different colors of glass (other than clear colorless glass) may be used. 3. Coatings applied...

1. - Clear glass tubing with neon produces red or reddish-orange; Clear glass tubing with argon produces faint purple. 2. - Some colors are produced by inert gases in tubing with fluorescent powders...

using different gases will produce different colors. Neon gives orange, and Helium gives purple.

more than 150 colors!

Ne-Yo