Choosing warm light for every room

Light has a colour, and it changes how a room feels long before you notice the furniture. This guide explains colour temperature, brightness and how to layer lamps so that each room works from morning coffee to late-night reading.

What colour temperature means

Colour temperature is measured in K. Low numbers look amber, like a candle; high numbers look bluish, like an overcast noon.

Colour temperature scale: 1800 K candle (deep amber), 2700 K living room (warm white), 4000 K kitchen and desk (neutral white), 6500 K daylight (cool bluish white).
The kelvin scale from candlelight to daylight.
In short: pick 2700 K for rooms where you relax, 3000 K for rooms where you cook and work, and avoid mixing temperatures in one field of view.

Look for the CRI on the box as well: 90 or higher keeps skin tones and wood looking natural.

How bright should each room be?

Chart

Kitchens need the most light at the worktop; bedrooms the least. Plan for dimming everywhere.

Living room     Bedroom
Two or three    One lamp each
lamps, placed   side, aimed
low. Ceiling    down, beam
light off.      kept narrow.

Layering light

Think in three layers: general light that fills the room, task light where you do something, and accent light that makes the room look deep.

Put the brightest lamp where you read, not in the middle of the room.

Use a dimmer on every lamp you use after sunset; it changes the mood more than any bulb.

Hide the bulb: a shade that covers the light source avoids glare on screens and glasses.

Match lamps within one room to the same colour temperature.

Place accent lamps low, behind plants or furniture, to make a room feel larger.

Which rooms want which temperature?

Recommended light per room
RoomColour temperatureBrightnessLampsDimmer
Living room2700 K1500–3000 lm3–4Yes
Kitchen3000 K4000–6000 lm4–6Recommended
Bedroom2200–2700 K1000–2000 lm2–3Yes

Warm and neutral light through the evening

How bright warm and neutral lamps are set through the evening, 18:00 to 23:00 18:0023:00 2700 K 4000 K
Share of lamps switched on through the evening: living room lamps rise to 90 percent at 21:00, desk lamps fall from 60 to 10 percent Living roomDesk 18:0023:00

Bulb efficiency at a glance

Lumens per watt: LED 120, halogen 18, incandescent 12 LED Halogen Incandescent
Rated lifetime in hours: LED 25000, halogen 2000, incandescent 1000 LED Halogen Incandescent
A reading corner: armchair under a single warm lamp, the rest of the room in soft shadow
One lamp, placed low and to the side, is often all a reading corner needs.

Notice how the shadow behind the chair makes the corner feel sheltered.

Where to go next

See the Aurora floor lamp for reading corners and the Nova desk lamp for work. Or try the lighting planner.