Lighting A to Z

Color Temperature and CRIColor TemperatureDescribes the appearance, atmosphere, ambiance, or moodcreated by the light. It is usually desirable to maintain aconsistent color temperature throughout a space.The Color Temperature is measured in Kelvins (K). Standard lightsources range from 2700K (incandescent) to 6500K (daylight).Warm: Color Temperature 3000KCreates a cozy, inviting, comfortable, relaxing atmosphere. Warmchoices: Home Light Soft White, Incandescent, Halogen.Neutral: Color Temperature 3500KCreates a friendly, inviting, balanced atmosphere. Neutralcolor choice is Spec 35Cool: Color Temperature 4100KCreates a clean, efficient, fast paced, atmosphere. Cool choices:Cool White, Home Light Cool White Plus.Daylight: 5000K-6500KCreates a crisp, bright alert, active atmosphere. Daylight choicesinclude Natural Sunshine (5000K) and Daylight Deluxe (6500K)color. Note: Natural Sunshine should be specified for customersdesiring full spectrum lighting.Sunlight: 6500KColor Temperature ChartColor Rendering Index (CRI)The CRI is the ability of a light source to produce natural colorsin objects. CRI is measured on a scale from 0–100 where 100is best. The higher the CRI the more natural people and objectswill appear when lighted. Incandescent and Halogen bulbs as wellas natural daylight have a 100 CRI.24 Product Knowledge