Is argon in neon signs?

<br>Yes. Different <a href="https://hydroponichomemade.com/2023/09/19/neon-signs-maintenance-and-care-a-guide-to-keeping-your-neon-sign-shining-bright/">Neon Lights Online store</a> signs have different <a href="https://www.fool.com/search/solr.aspx?q=mixtures">mixtures</a>; of noble gasses, <a href="https://thegoldengirlsdvdforyouhome.blogspot.com/2022/01/how-to-make-diy-neon-sign.html">more helpful hints</a> which poduce different colors. <br>