How to Change Color Temperature of Led Lights

When you think of lighting, what color comes to mind? For most people, the answer is warm white or cool white.

The color temperature of a light bulb is measured on the Kelvin scale, and it’s just one of many factors that determine how warm or cool an LED light will appear.


Luckily, there are many different ways on how to change color temperature of led lights.

This post explains what color temperatures are, why they’re important to consider when buying LED lighting for your home, and how you can change the color temperature on your current setup. 

What Is Color Temperature?

It is a method of measuring the color of light. Color temperature is measured in Kelvin (K), and it describes the hue of a specific type of light, such as that made by an incandescent bulb or a fluorescent lamp.

The color temperature rating indicates how “warm” or “cool” the light will appear to your eye.


For example, warm sunlight could have a color temperature of 3300K, while cool fluorescent lights can be over 5000K. The higher the number, the cooler the light will appear to your eyes.

Because it is based on natural daylight or black body radiation values, the Kelvin scale uses positive numbers only and cannot be negative.

The higher number you select, the brighter your lights will be and the bluer their color temperature will become.

Likewise, if you choose a lower number for the color temp, your lights will be dimmer but warmer in appearance.

10 Ways on How to Change Color Temperature of Led Lights:

1. Change the voltage

The color temperature of LED lights is directly related to the voltage applied to them. Lowering the voltage makes the light more yellow, and raising it makes them bluer in color.

2. Change the material inside LEDs

LEDs have materials that determine their wavelength and color temperature. Materials like YAG and LEPs allow manufacturers to change the color of lights by only changing the material.

3. Carve LEDs

By having light sources of different temperatures mixed in one area, it is possible to change the color temperature of led lights by changing the mixing ratio.


For example, blue lights will not emit as many photons as red ones, and yellow lights will emit even less. By mixing them and photons as red lights, it will not be possible to obtain a very high level of blue light.

4. Change the distance between LEDs

By shrinking the distance between LEDs of identical color temperature, one can reduce the area that emits white light and thus raise the average color temperature.

This method, however, only works with lights mounted in clusters (e.g. tubes)

5. Change the surface color temperature

With a bit of imagination, it is actually possible to find a way to paint LEDs with colors that do not exist.

This can be used when one wants very specific mixes of wavelengths for non-white light (e.g., green, pink, etc.).

6. Add a filter

Putting in a color/irradiance filter between the light source and one’s eyes can be used to change the color temperature.


It, however, only works if one wants a specific mix of wavelengths as others would remain unaffected. They would still come through the lens. Filters also affect the brightness of white light.

7. Change the shape and material of LEDs

Changing an LED’s geometry and die material is yet another way to change the color temperature of led lights.

In particular, altering the surface structure or using materials with a refractive index different from the air allows one to produce lights that would otherwise not emit photons at all.

8. Use the Dip Switch

LED lights have a dip switch on them with which it is possible to change the temperature of cold LEDs and even warm ones (though only by a few degrees).

9. Use a cheap LED driver

When buying LED lights, one has an option to buy with or without a driver. If you buy street lights without drivers, you can use them to supply power for other lights, or if purchased with drivers, you can get replacements.


Cheap LED drivers are designed for maximum efficiency at a set temperature. The gradient of color is caused by having multiple drivers of LEDs, which then emit at different temperatures.

10. Use an external light source

If you want to have a wide range of color temperatures, the only way is to use sources that emit at the desired temperatures.

However, this method is not always practical for lighting car interiors and other places as it requires constant attention.

Where To Find a Color Chart for Different Types of Led Lights?

You can find a color chart online that displays all photometrically balanced lighting under different temperature settings.

You can also use the color chart below to compare led light colors with natural sunlight to judge whether your taste is colder or warmer.


Natural daylight sources are shown on one axis and artificial appliances on the other. It might be a good idea to take your color chart with you when shopping for led lights.

Use it to compare the actual light temperature of the led lights on display with “natural sunlight” at different times of the day.

It will help you to give an accurate representation of what they would look like to each other without any extra effort.

What is CCT?

Correlated Color Temperature (CCT) refers to the color temperature of light in degrees Kelvin. It is likely a measurement of how yellow and blue color of light is emitted from a light bulb.

It tells you the color appearance of your white light bulb in kelvin measurement. For example, warm light sources have a low temperature of 2000 to 3700K.

In contrast, the cool light sources have a higher color temperature above 4000K. Color Temperature having 4000K is considered as a neutral color.

Comparisons Between Different Colors and Their Corresponding Temperatures

In addition to creating a romantic mood, the color and character of light will determine a room’s atmosphere. Colors play an important role in our daily lives, affecting how we feel.


That is where RGB and CMYK come into play. The human eye produces three cones that react differently to different wavelengths of light (varying insensitivity to red, blue, and green).

When stimulated by these wavelengths of light, our eyes send electrical impulses through the optic nerve to the visual cortex in the brain. The retina is the part of your eye that contains photoreceptor cells called rods and cones.

The human retina has about 120 million rod cells we use for peripheral vision and night vision and 6 million cone cells responsible for our central vision, which is color perception.

The cones can distinguish between around 10 million different colors. This is why we say the human eye has a greater color sensitivity than any other known device.   

The Necessity of Color Temperature

LED lights provide an alternative to traditional lighting. With their low energy consumption and long life, they are perfect for lighting up large areas.

However, due to the intensity of LED lamps, they can create a cold blue glow when used in large spaces.


It can do more harm than good as it will make your home feel colder than it is. In addition to that, certain white LED lights are better suited for certain situations.

For example, warm white LEDs have a color temperature of 2700K and emit a more yellow light than cool white ones with a color temperature of 6000-6500K that produce a bluer tone.

The human eye is very sensitive to the changes in the hue or brightness of light, making it easy to perceive the difference between warm and cool white LED bulbs.

Final Thoughts

Now, you should change the color temperature of your LED lights by following our simple instructions.

Once you have these new skills, we recommend that you start changing the color temperature regularly with the seasons and holidays. This will allow for an enhanced lighting experience in any room or environment.

We hope this blog post has been helpful on how to change color temperature of led lights! To learn more about the unknown facts about the science of color temperature and how it affects your lighting, stay with us.

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