um..... my dad is looking it up. OH! A helium label is silver!
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what is helium used for
Helium does not have a color in the visible spectrum. It is a colorless, odorless, and tasteless gas.
Helium does not burn in a flame test because it is an inert gas and does not react with the flame to produce a characteristic color.
Helium itself is colorless, odorless, and tasteless. The color you may see associated with helium balloons is from the material the balloon is made of, not the helium gas itself.
The color code for helium gas pipes is typically light green. It is important to always check with local regulations and standards to ensure compliance with specific color coding requirements for gas pipes in your area.