Page 27 - Warshauer LED Brochure 3-17

UNDERSTANDING COLOR

TERMS & DEFINITIONS LIGHTING CHART

LED Type LPW Rated Life (hrs) CRI K
kelvin (K): Measurement of light appearance, or color. A LAMP 50 - 100+ 25,000 - 50,000+ 80 - 90+ 2,700 - 6,000+
higher K value indicates cooler light, while a lower K value
indicates warmer light. FIXTURE 60 - 100+ 50,000 - 100,000+ 80 - 90+ 2,700 - 6,000+

Correlated Color Temperature (CCT): Also known
as color appearance, CCT measures light color, or how TIPS FOR CHOOSING LIGHT COLOR:
warm or cool a light source appears to the human eye. - To replace traditional incandescents, look for lamps of 2700 - 3000K.

Color Rendering Index (CRI): Measures how - Neutral white (3500 - 4100K) is good for work and ofice spaces.
accurate colors appear with a particular bulb compared - Cool white and daylight (4500K+) illuminates the most crisply,
to the color rendering of sunlight. Considered a and is great for reading and accent lighting.
more accurate light quality measurement than color - For outdoor lighting, cooler color temperatures (4000 - 5000K+)
temperature (K). tend to be the most common.

SOFT WHITE BRIGHT WHITE NATURAL

Sot/Warm White Bright/Cool White Natural/Daylight

look for about 3000K look for about 4100K look for 5000K+

The soft white light provides Less yellow than soft whites, Extremely cool and bluish,
the gentlest, most attering a bright or cool white lamp this light illuminates crisp,
illumination. can enhance contrast. clean light.
Correlated Color Temperature: Warm or Cool