What is Kelvin and why do I care about the K number in lighting
LEDspan - LED light colour temperature is measured in Kelvin, K. Light fixtures are found in colour temperatures on the Kelvin scale of between 2700K (extra warm incandescent), 3000K (warm white halogen)
Aovpex Dusk to Dawn LED Light Bulbs Outdoor, 13W Ultra Bright(100W Equivalent), 2700-Kelvin Soft White Lightbulb Built-in Photocell Sensor, Auto On/Off Bulb for Garage, Wall Lantern, Patio, 4Pack - - Amazon.com
Understanding Color Temperature of LED lighting | RBW
Day Light 5000 Kelvin LED Retrofit Kit for 2x4 Foot Fluorescent Troffer
Understanding Kelvin Ranges in Lighting and Their Best Applications - Larson Electronics