These lights are best when maximum illumination is required like security lighting, display cases, warehouses and industrial areas. Understanding Kelvin temperature (K) makes it easier for you to choose lighting that will. Typically, for commercial and residential lighting applications, it falls between 2000K and 6500K. It is measured in degrees of Kelvin (K) on a scale between 1,000 and 10,000. Lights with Kelvin temperatures in the 4600K-6500K range produce a crisp color similar to that of daylight. The color temperature of a bulb lets us know the look and feel of the light. These are bright and vibrant lights that are perfect for workspaces like basements, factories and hospitals. LED lights in the 3100K-4500K range can be described as "cool white". The higher the number is on the Kelvin scale the cooler and more bluish. Kelvin temperatures of 2000K-3000K produce a warm, calm, inviting light that is great for general indoor lighting in both homes and businesses. Kelvin is a measurement scale used to measure a light bulbs specific color temperature. Below is a chart showing the different Kelvin temperatures on the visible light spectrum. It's important to choose a proper temperature for the your LED bulb's application. Generally, a light's Kelvin temperature will be fall somewhere between 2000K and 6500K. The Kelvin temperature of a light represents the color that a bulb will produce. Keep in mind that some lights are more efficient than others, so check the exact lumen output of the light you are buying to ensure a correct conversion. When upgrading your traditional lights to LEDs, it is important to compare the lumens produced, not the wattage.īelow is a chart showing approximate wattage conversions for various light types based on lumens. You will notice that LEDs are able to produce more lumens at lower watts. ![]() Both LEDs and traditional lights use lumens to quantify how much light they produce. A larger lumen figure means a brighter light. In simple terms, a light's lumen value describes the brightness and the Kelvin temperature describes its color.Ī lumen (often denoted lm) is a measure of how much visible light is generated by a light source. We'll explore what these terms mean and how different values will effect your LED bulb's performance. This article will focus on demystifying the terms "lumens" and "Kelvin temperatures". Some of the specifications and terminology surrounding LED lights can be confusing. ![]() When lighting building interiors, it is very important to take into account the color temperature of illumination.įor example, a warmer (2,700 - 3,500K) light is often used in public areas to promote relaxation, while a cooler (3,500 - 5000K) light is used to enhance concentration in an office space.Whether you are upgrading from incandescent bulbs or replacing existing LEDs, it is important to choose the correct bulb for your application. The color temperature of a light source is the temperature of an ideal black-body radiator that radiates light of comparable hue to that of the light source.Ĭolor temperature is conventionally stated in the unit of absolute temperature, the Kelvin, having the unit symbol K.Ĭolor temperatures that measure 3,500 - 5,000K are referred to as cool colors (blueish white), while lower color temperatures 2,700 - 3,500 K are referred to as warm colors (yellowish white through red.)Ī traditional 60watt incandescent light bulb has a color temperature of 2,700 Kelvin. Color temperature is a characteristic of visible light that has a very important application in lighting and other fields.
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