Difference between warm white & cool white LED rope lights

Written by patrisha kichline
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Difference between warm white & cool white LED rope lights
Colour temperature is based on a scale called Kelvin and measures light sources against sunlight at different times of day. (fall colour image by Mike & Valerie Miller from Fotolia.com)

LEDs (light-emitting diodes) are a long-lasting, energy-efficient lighting technology. White LED light is created by combining red, blue and green LEDs or using blue LEDs combined with a phosphor coating that emits yellow. The resulting cool or warm white light produced will depend on the combination of colours used to make the white light.

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Definition

The terms "cool" and "warm" refer to the colour temperature of the LED rope lights. Colour temperature indicates the perceived hue of the light to the naked eye. A cool light gives off a bluish light, while a warmer light looks more yellow.

Difference between warm white & cool white LED rope lights
Colour temperature is based on a scale called Kelvin and measures light sources against sunlight at different times of day. (fall colour image by Mike & Valerie Miller from Fotolia.com)

Aspects

Colour temperature affects colour rendering, meaning that different lights make colours look different to the eye. Think of home stores where you can hold colour samples under various types of lighting. The way a colour looks can change based on the colour of lighting it is seen under. A paint chip seen under a cool, bluish light will look completely different when held under a warmer, yellow light.

Difference between warm white & cool white LED rope lights
Paint chosen under a fluorescent light in the store will look different under the lights of your home (colour image by Yermashkevich Pavel from Fotolia.com)

Applications

A common use for LED rope lights is as a home accent, for example over and under the kitchen cabinets. Consider the investment you put into your kitchen--it is one of the hardest-working rooms in your home and if you ever want to sell, can be a make-it-or-break-it feature. Choose warm or cool LED lighting based on the colour temperature of your current lighting because you'll want to match it.

Difference between warm white & cool white LED rope lights
Warm versus cool LED lights can change the way your furnishings look. (Kitchen image by armanxo from Fotolia.com)

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