Led Light Bulb Color Scale
5000k is a cool color with a blue hue.
Led light bulb color scale. Led color temperature scale tips for every room. On this color scale 2700k is a warm color with a yellow hue. Light bulb color temperature is represented in the unit of absolute temperature kelvin noted by the symbol k. Kelvin color temperature scale explained the kelvin color temperature scale is used to describe the way various light temperatures appear visually.
Household fixtures are commonly found in color temperatures on the kelvin scale of 2700k warm incandescent 3000k warm white halogen and 3500k household fluorescent. Ever since edison introduced us to the very first electric light bulb in 1879 we have seen everything in the same soft white color temperature measured at 2700k degrees kelvin. In my opinion 2700k looks too yellow and 5000k looks too blue for most residential applications. For a whiter light look for bulbs marked 3500 4100k.
These facts should indicate the color rendering index scale number of lumens watts and efficiency metrics. The kelvin temperature scale starts at zero and is 0 kelvins k. Virtually all light bulbs or lighting fixtures that come with bulbs included will reference on the package which kelvin color temperature is. Light color or color temperature is measured using the kelvin scale.
The cri scale became more popular when led lighting began to become prevalent in homes. Leds are available in warm colors low k to match the yellowish light of incandescent bulbs but you can also choose cooler colors high k with whiter or bluer light. The color temperature of a light bulb or an led fixture describes how the light appears when we look directly at the fixture or light bulb. For tasks like reading you should use cool white light.
Warm white lights can provide the relaxed peaceful mood required in a bedroom color temperature from 2700k to 3000k is suggested. Typically kelvin temperatures for commercial and residential lighting applications fall somewhere on a scale from 2000k to 6500k. How do we measure color temperature. The light created by these bulbs has given off a slightly yellowish glow for over 130 years making the colors in our homes feel warm and cozy the entire time.
Many modern light bulb manufacturers will post a lighting facts portion on the packaging to inform consumers of the bulb s properties. Pure white would be somewhere is somewhere in the middle. How to choose the right kelvin color temperature. Color temperature is a way to describe the light appearance provided by a light bulb.
We know that color temperature is measured by a unit called the kelvin k. It is measured in degrees on a kelvin scale k and typically ranges from 2700 5000 degrees kelvin. It is measured in degrees of kelvin k on a scale from 1 000 to 10 000.