Cold White and Warm White: Understand the Main Differences

Everyone who has ever needed to buy a light bulb must have come across the warm white and white information on the packaging during the process of choice. Despite visible differences in color appearance, information on how to select and apply each type is not always clear.

Cold White and Warm White Understand the Main Differences

Enlightenment, both natural and artificial, has great physiological and psychological influence on humans. Thus, it is important to use each type of lighting in an intelligent way, considering the functions of the environments, their hours of use and their occupants.

To make or require the intelligent choice between the different color appearances of light, it is important to understand some simple concepts, presented below:

UNDERSTAND WHAT COLOR TEMPERATURE IS

It is the technical characteristic that differentiates, through a range of values measured in Kelvin (K, unit of temperature), the color appearance of the light. We can divide this range into three ranges:

  • lower values of up to 3,500K: correspond to a warm, yellowish white light corresponding to the light emitted by an incandescent lamp, for example;
  • intermediate values, between 3,500K and 5,500K: they are neutral white light, like the noon light coming from the sun;
  • from 5,500K: we have the cool white, bluish-looking light.

Contrary to what one might think, the color temperature is related, as already mentioned, to the color appearance of the light, and not to the amount of heat that a lamp can emit during its operation.

Likewise, the color temperature does not influence the level of lighting provided: a 2,700K lamp can provide as much light for an environment as a 6,000K lamp.

LEARN HOW AND WHERE TO USE WHITE COLD AND WARM WHITE

WHITE HOT

Similar to the light of the sunset, it provides a more relaxing, pleasant and welcoming atmosphere. For residential environments , it is the ideal color temperature for resting spaces such as bedrooms and living room.

In commercial architecture, warm white lighting is used in more sophisticated shops and restaurants, where it is desirable to stay longer.

NEUTRAL WHITE

Neutral lighting is widely found in corporate environments , as it is visually more comfortable for long-term occupants.

It is a more difficult color temperature to be found for residential use (in the case of LED bulbs ), although it is recommended for bathrooms, kitchens, home offices and internal corridors or common areas in condominiums.

COLD WHITE

The cold white light, in turn, is more impersonal, leaves the human organism in alert state and induces to believe that it is still day. Highly recommended for environments requiring higher levels of concentration. In homes, it can be used for kitchens and service areas, for the existence of possibly dangerous instruments.

Other applications are hospitals, industrial kitchens, public lighting and commercial establishments that require high turnover, such as fast food chains and department stores.

THE TECHNOLOGY OF LED BULBS

In terms of efficiency and economy, LED lamps have revolutionized the way to artificially light: much longer service life, lighting levels that suffer minimal depreciation, color temperature fidelity, among others.

Despite a higher initial investment, the financial return comes in the medium and long term, in the economy of energy use and in rare lamp replacements. In addition, the market has presented great variety and quality of products, due to the recent mandatory quality required by Inmetro.

The light, whether made in cold white or warm white, also has the power to perfectly complement or disrupt the goals regarding the decoration of your environment.

It can value the colors present in the space, take advantage of the best potential of lighting systems – direct or indirect, outstanding, etc – so it is always important to consult a professional architecture and design to develop the best solutions for your needs.

Did you understand the difference between cold white and warm white? So follow us on social networks and stay informed about lighting tips and where to get the best products.

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