How hot is the earth in kelvins.
Kelvin rating for led lights. Kelvin measurements are often used with fluorescent and HID lamps because their spectrums cannot be flexibly modified the same way as LED grow lights. Kelvin is a measurement used to describe the color temperature of a light source in degrees Kelvin K. Kelvin Color Temperature Scale for Light Fixtures.
Some have an even higher Kelvin rating meaning the light they produce appears whiter. Most people like it to have a comfortable light in the living area. A warm color temperature has a Kelvin Temperature of 2700-3000K.
The Kelvin value of the bulbs range from. Maximum performance headlight bulbs start at around 3900K. Specific types of lighting that are ideal for this application include LED lights with a temperature color of 5000K or higher and fluorescent lighting.
Cool light is preferred for visual tasks because it produces higher contrast than warm light. Confusingly higher Kelvin temperatures 36005500 K are what we consider cool and lower color temperatures 27003000 K are considered warm. Additionally you can also choose different variations of white coloured lights for each LED light bulb to suit your needs.
Household fixtures are commonly found in color temperatures on the Kelvin scale of 2700K warm incandescent 3000K warm white halogen and 3500K household fluorescent. The best light temperature for offices is between 3500 Kelvin and 5500 Kelvin. Light bulb color temperature is represented in the unit of absolute temperature Kelvin noted by the symbol K.
In this application the K rating indicates the average visual color hue of the light as perceived by human color vision as approximate to a black body generator of the same. Warm light is preferred for living spaces because it is more flattering to skin tones and clothing. Grow lights with cool spectrums high Kelvin rating above 5000K emit most of their light in the blue spectral range.

