What is the Difference Between Cool and Warm Lighting?

 When buying LED lightbulbs, you’ll see descriptive terms on the packaging that classify the light as warm or cool. But what does this mean? And what option is better? Here’s some insight from LED light installation specialists accredited under the Victorian Energy Upgrade Program. 



Colour Temperature 

It’s all about the concept of colour temperature. Essentially, warm lighting emits a light that is closer to natural lighting, ranging from a yellow to a reddish light. Cool lighting emits a more artificial lighting that is bluer in colour.

To determine where the LED lightbulbs you are looking at fall on the scale, it’s important to ignore the description and focus on the Kelvin rating, which will be a number in the thousands followed by a (K) symbol. This scale measures lighting in numerical values, and while the word descriptions and labels on the LED lightbulbs will vary from manufacturer to manufacturer (they’re more like paint colour descriptions than exact, defined terms), the Kelvin rating is independent and exact, regardless of who manufactured the lightbulb. 

Kelvin Ratings and LED Lightbulb Colour 

On a general scale, any light that is 2500 – 3000K is considered warm lighting, while anything between 5500 - 6500K is considered cool lighting. But when you’re choosing bulbs for an LED light installation in your home, you want to be more exact than that. Lighting is all about personal preference and personal comfort, so you want to get it just right. Here’s a more detailed guide. 

  • 1700K – The light of a match flame or orange sodium streetlights. 
  • 2400K – Similar to a standard incandescent bulb or filament lamp. 
  • 2700K – Similar to a soft white lightbulb, like a compact fluorescent. 
  • 4000K – A neutral white light, neither warm nor cool. 
  • 5000K – A cooler white light, similar to morning daylight. 
  • 6000K – A bright cool light, like a camera flash. 
  • 6500K – These are a cool daylight colour, like fluorescent tube lighting. 

What Colours Work Best in a Home LED Light Installation? 

This is all about your personal preference – some people like a variety of warmer lighting for relaxation spaces and cooler lighting for task areas. Some people like neutral lighting throughout their home. It’s all about seeing it for yourself. This is where a professional LED light installation team that is accredited under the Victorian Energy Upgrade Program is invaluable. They can demonstrate the different options for you in your home, so you don’t have to buy before you try. 

Speak to LED Light Installation Specialists for the Victorian Energy Upgrade Program 

If you would like to schedule your home upgrade to LED lightbulbs and get the rebates available under the Victorian Energy Upgrade Program, please contact the In2Energy team. We are fully accredited through the scheme, and are licensed and ensured contractors, ensuring a smooth and rewarding upgrade experience. 

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