How Do Colored Flames Work on Wax Candles?

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ColorFlame candles produce colorful flames through the addition of metal salts to the wax, which emit specific colors when burned. Common elements include copper compounds for green, lithium for red, and strontium for orange. Creating colored flames at home is feasible but requires careful handling of these chemicals to ensure safety. The discussion highlights interest in both the science behind colored flames and the potential for DIY projects, encouraging further exploration of the topic.
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I purchased a set of "ColorFlame" candles, they burn like a normal candle except the flame gives off colorful flame, some green, some red, some purple and orange. I was curious as to how the candle burns a different color flame? And if it would be reasonably easy to do as a project at home? I figured someone here must know how it works. Thanks.
 
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