blue flames
Hot gas burns
Blue flames indicate hotter, more complete combustion than yellow or orange flames, typically burning at higher temperatures with more oxygen.
A gas stove's blue flame shows efficient burning.
Figuratively, blue flames can suggest intense passion or supernatural fire—the eerie glow of ghostly apparitions in folklore: The spirit appeared wreathed in blue flames.
- azureLight sky tone
- fireCombustion with flames
- gasFormless, expanding substance
- burningCombustion in progress
- burning hotIntensely, dangerously heated
intense · gas stove · natural gas · hottest · propane · stove · burner · pilot light · cobalt · ethereal · ghostly · sapphire · heat · combustion · cerulean · flicker · glow · supernatural