JCC Lighting Catalogue Issue 35

WARM WHITE

COOL WHITE

DAYLIGHT WHITE

ULTRA WARM WHITE

Understanding Colour Temperature Kelvin temperature scale

The colour temperature of a light source is measured in degrees Kelvin. Below is a Kelvin temperature scale with examples of how colour temperature is used within different lighting applications.

WARM

COOL

DAYLIGHT

1000K

2000K

3000K

4000K

5000K

6000K

7000K

8000K

9000K

ULTRA WARM WHITE (1000K - 2700K) Ultra warm white lighting has a warm orange appearance, strongly intensifying red and orange. This is commonly used in residential or hospitality applications. COOL WHITE (4000K - 5000K) Cool white lighting has a blue appearance, intensifying blues and greens. This is commonly used in office, health and industrial applications.

WARM WHITE (2700K - 3500K) Warm white lighting has a yellowed appearance, intensifying red, orange and yellow colours. This is commonly used in residential or hospitality applications. DAYLIGHT WHITE (6000K+) Daylight white lighting has a blue appearance, intensifying red, orange and yellow colours. This is commonly used in residential or hospitality applications.

Technical 566