Temperature lamps

But what is meant here now?

In practical terms this means that a lamp with a lower color temperature, tending to more yellow light and a lamp with a high color temperature, tends to daylight (bluish light) As you can see below is the spectrum of visible light from red to blue and then even ultraviolet . A daylight lamp also has a color temperature of 6500 Kelvin for example, while a 'warm white' light that is used in the bakery for bread, 2700 Kelvin.

For example, Philips Master TL-D 58W / 8 30: 30 which represents the color temperature (3000 Kelvin) and 8 for color fastness see further here under the heading Technical information.

Below is a table with some practical examples

Temperature (K)

definition

1200

Candlelight (red tending to yellow)

2000

Sunrise and sunset (light red)

2800

Standard tungsten bulb or an old-fashioned carbon filament lamp

3000

3000 series of fluorescent lamp, white in color. Often "office color" lighting

3200

halogen lamp (between 3000 and 3250 Kelvin)

3400

filmzon

3500

one hour after sunrise (between warm white and pure white)

4000

4000 series fluorescent lamp ("/ 840" has 80 color rendering and color temperature 4000K)

4200 - 4700

mixture of artificial and natural light

5000

camera flash, white light ("D50" is "Daylight 5000")

5600

standard daylight (tending to blue)

6000

afternoon

6500

White / neutral. Default value for television or monitor.

7000-10000

Heavy cloud cover or shade on the north side. Without direct sunlight.

Let op : de kleuren van deze kleurenbalk kan verschillen per

Below the color coding of the different lamp brands and their meanings:

Old color code

New color code

Color Temperature

Color

Colour reproduction

29

530

3000 (K)

warm white

bad

35

535

3500 (K)

neutral white

bad

33

640

4000 (K)

cool white

moderate

25

740

4000 (K)

standard white

pretty

54

765

5000 (K)

cool daylight

pretty

827

2700 (K)

extra warm white

good

830

3000 (K)

warm white

good

835

3500 (K)

neutral white

good

840

4000 (K)

cool white

good

865

6500 (K)

cool daylight

good

930

3000 (K)

warm white

very good

940

4000 (K)

cool white

very good

950

5000 (K)

daylight

very good

965

6500 (K)

cool daylight

very good

15

 

red

NA

16

 

yellow

NA

17

 

green

NA

18

 

blue

NA

light colors

Old color code

New color code

Color Temperature

Color

Colour reproduction

30

530

3000 (K)

warm white

bad

23

535

3500 (K)

neutral white

bad

20

640

4000 (K)

cool white

moderate

25

740

4000 (K)

standard white

pretty

10

765

6500 (K)

cool daylight

pretty

41

827

2700 (K)

extra warm white

good

31

830

3000 (K)

warm white

well <

Temperature lamps
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