Why you should pay close attention to the colour of the stove flame

Is it true?

Chef Shipra Khanna agreed and added that the colour of the stove flame is, indeed, a key indicator of how efficiently your stove is functioning and whether it’s safe to use.

Blue flame = Healthy combustion

“A blue flame indicates proper combustion, meaning your stove is burning fuel efficiently with the right air-to-gas ratio,” said Khanna.

Why it matters: Efficient combustion minimises energy waste and reduces the emission of harmful gases like carbon monoxide.

Yellow or Orange Flame = Incomplete combustion

A yellow or orange flame suggests incomplete combustion due to insufficient oxygen or dirt blocking the burners.

Why it matters: Higher fuel costs: Incomplete combustion wastes fuel. “It can produce dangerous levels of carbon monoxide, a colourless, odourless gas that is harmful when inhaled,” said Khanna, adding that soot buildup can stain cookware and reduce the lifespan of appliance.

Flickering or weak flame

According to Khanna, this could indicate low gas pressure, blockages, or a malfunctioning regulator. “Weak flames may not generate enough heat and could signal an underlying issue that needs repair,” shared Khanna.

Unusual flame colour (Red, Green, etc.)

What it means: Contaminants in the fuel or dirt on the burners can cause unusual flame colours.
Why it matters: It’s a sign that the gas supply or stove needs cleaning or maintenance.

Here’s what happens when the burner doesn’t work correctly (Source: Getty Images/Thinkstock)

What you should do

*Clean the burners: Regularly remove food debris or grease buildup to ensure proper airflow.
*Check the gas supply: Make sure the gas valve is fully open and the supply is consistent.
*Service the stove: Call a professional if the flame colour persists as anything other than blue, or if you notice an odd smell or weak flame.

“A blue flame ensures safety, efficiency, and clean cooking, while other colours might point to issues that need immediate attention. It is necessary to open doors and windows and ensure good ventilation during cooking,” said Khanna.

DISCLAIMER: This article is based on information from the public domain and/or the experts we spoke to. Always consult your health practitioner before starting any routine.