Why does natural gas burn blue?

Natural gas, primarily composed of methane, exhibits a blue flame when it undergoes a combustion process under controlled conditions. Why?

Fire sale on stuff that burns: Oil, natural gas, coal down

Gas stove/furnace randomly burn orange? (more info in comments) : r/Plumbing

Blue Flame versus Yellow Flame versus Red Flames - Gas Flame Colour – LPGJets

How the American Gas Association helps keep demand for gas high.

Why is the flame of a gas stove blue in colour? - Quora

CenterPoint Energy on X: Rudolph's nose may shine red but your natural gas flame should be blue! If the flames are orange or yellow, the burner may need to be cleaned or

Ditch your gas stove? Study finds they emit cancer-causing chemicals

ProCom 20,000 BTU Natural Gas Ventless Blue Flame Heater with Base Feet, T-Stat Control 171245 - The Home Depot

True Natural Gas Blog What Are the Best Ways to Lower My Natural Gas Bill?

The biggest advantages and disadvantages of natural gas

Blue flames gas stove on hi-res stock photography and images - Page 4 - Alamy

Why is My Gas Fire Pit Flame Blue and How Do I Fix it?