What does 3000K mean?

warm white color light 3000K is a warm white color light. A 3000K LED bulb gives out warm or soft white or yellowish color light. It makes an excellent choice for homes, especially the seating and bedrooms.

ledlightexpert.com - What is Kelvin and why do I care about the K number in lighting

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A: The K number in lighting stands for Kelvin. It is the scientific measurement for the color of the light itself. Higher numbers are nor brighter, just whiter such as 5000K and eventually more blue like 5700K. Lower numbes such as 4000K appear off white or a tinge of yellow and 3000K is warm in color meaning that the are brown or yellow in tint. Note that as temperatures rise the light color gets cooler. They move in opposite directions.

What is Kelvin?

Kelvin is the measured temperature of light. Temperature is one of the most ubiquitous and significant measurements in the history of humankind. Over the years, scientists have improved on the units, methods, technologies, and systems used to express and quantify it. The kelvin is the SI unit of thermodynamic temperature, denoted by the symbol K. It is formally defined as 1/273.16 (3.6609 ×10 -3) of the thermodynamic temperature of the triple point of water. William Thomson (Lord Kelvin), a British scientist and inventor, designed this scale. Since temperature measures the energy of molecules and atoms, which cannot have negative energy, any accurate temperature scale must be in the positive. The Kelvin scale starts at 0 kelvin as the absolute zero. At this point, any thermodynamic system is at its lowest energy, and all particles have the least kinetic energy; they have stopped moving and cannot get colder. Therefore, there is no below-zero kelvin figure. Unlike Fahrenheit and Celsius temperature units, the kelvin unit is not expressed in degrees, given it is an absolute scale. However, a change of a single degree Celsius is the same amount of temperature as one kelvin.

How is Kelvin calculated?

Thermodynamic temperatures are quite challenging to measure accurately and precisely, which led to the approval of internationally-agreed scales of temperature. Water boils at +100 degrees Celsius or +373.15 K and freezes at 0 degrees Celsius or +273.15 K. As such, 0 K = -273.15 degrees C = -459.67 degrees F. The conversion of degrees Celsius to kelvin is the addition of the temperature in degrees Celsius with 273.15. Consequently, when converting temperature in kelvin (K) to degree Celsius, 273.15 is subtracted from the kelvin temperature. I.e., the average room temperature, 21 degrees Celsius is 294.15 K.

What is 3000K and 5000K?

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About light, kelvin temperature is based on the color that a black body radiator emits owing to the features of its temperature. To put it into perspective, LEDs (Light Emitting Diodes) are the typical light bulbs available. The temperature and the color produced by these bulbs is measured in kelvin (K) units. There are three fundamental kinds of color temperature; Soft White (2700K-3000K), Bright White/Cool White (3500-4100K), and Daylight (5000K-6500K). As the value of the kelvin units increases on the scale, the color temperature becomes whiter, and therefore, lights higher up in the scale will appear brighter than those lower on the scale. 3000K is a warm white color light. 3000K LED bulb 5000K led bulb gives out warm or soft white or yellowish color light. It makes an excellent choice for homes, especially the seating and bedrooms. For a business setting, it works well in dining areas like restaurants, cafes, bars, and lounges. On the Kelvin scale, theis a pure white daylight color light. It is a high color temperature that can emit deeper shades of blue. It is typically a bright light, crisp, and illuminating, which is an energizing choice for basements and environments that are detail-oriented such as hospitals, factories, and workshops. Compared to the colors of lower temperatures, it offers the most exceptional contrast.

Applications of Warm White and Cool White

One of the trickiest things for an average person is getting their head around the meaning of color in the light. It gets even more confusing when the lights are LED, given their many choices. Unfortunately, you might get mixed up in figuring out the right one for your needs with the wrong choice ruining your experience. However, for domestic usage, it falls mainly to two types of light; warm and cool white light. As there are no rules, the choice is dependent on the use and personal preference. Warm white is a popular choice for homes, ranking lower on the Kelvin scale (2700-3000K). It is the ideal light for setting up cozy and warm atmospheres. Naturally, it means the places where you would love to spend time with friends or family to chill and relax. It is a common choice for the living room, dining room, and the bedroom where people gather. This is due to the yellowy glow it produces that gives a relaxing, softer, and warmer tone. Cool white is white light that produces an attention grabbing light. On the Kelvin scale, they are higher than the warm white. (again the temperature is higher but the light is colder) They are the ideal choice for a contemporary and modern look with their fresh glow illumination. Due to the slightly bluish hue and bright white glow, they provide energy to the home spaces. If you need productivity and alertness, such as in the garage and the kitchen, these are the lights to get. They are also the color temperature of choice for hospitals and commercial retail stores.

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Uses of 4000K

4000k wall lights 4000K corn light bulbs One of the commonly overlooked color temperatures is 4000K. It is no surprise as it is betwixt daylight white (5000K-5500K) and warm white (2700K-3000K) color temperatures. However, it leans more to the warm white side. For better understanding, it is the color temperature of the morning or afternoon hour’s direct sunlight. For the individuals looking for a bit of natural clarity in their light but not too stark or blue, this is a perfect choice. As such, it used in indoors and retail spaces. Look forandfor these applications. 4000K is the go to color of offices everywhere as it still appears mostly white, but due to the off white tone, its easier on the eyes for the workers underneath it.

Uses of 5700K

5700K falls in the category of color temperatures known as bright white. The LED emits a blue tint known as a cold color. It should be used with caution since it can appear clinical and harsh in domestic residential usage. The daylight lighting is considered by many too severe for a relaxing atmosphere The 5700K light has the unique feature of drawing attention, where high visibility is paramount. Therefore, it is ideal for auto dealerships, parking lots, gas stations, and retail sections. It is also popular in sign lighting to draw attention as well as photography because it is easier to color corret down 5700K then up other colors.

ledlightexpert.com - What is Kelvin and why do I care about the K number in lighting

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