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Cool white light with off-white walls

Off-white walls (LRV ≈75) absorb more light than white, so plan 1,579–3,158 lm for a 16.2 m² living room (1,500–3,000 lm with white walls, +5 %; our estimate); cool white (5000–6500 K) cools them down. 1149 lights offer it.

off-white walls · cool white (5000–6500 K) · change
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off-whiteLRV ≈75

The numbers for this situation

  • Light reflectance of the wall (LRV)≈75typical for the colour
  • Lumens for a living room1,579–3,158 lm16.2 m², 50–100 lux — our estimate — there's no official UK light level for homes
  • More light than with white walls5 %our estimate: darker walls absorb more light
  • Lights offering cool white1149

Worked out, not measured

Where these numbers come from

  • Lumens = light level × area ÷ light kept; darker walls keep less (a quarter of the drop in wall reflectance from white), our estimate, not measured. Checked against 2037 matching lights in our catalogue snapshot of 2026-09-27; 1149 can be bought now. Same sums on every page, release families-2026-09-29.

All the numbers

WallLRVLumens fromLumens to
brilliant white8515003000
off-white7515793158
cream7215793158
light grey6016673333
greige5017653529
dusty pink5017653529
light blue5816983396
sage green4018373673
mustard yellow4018373673
taupe3519153830
terracotta2520004000
mid grey3019573913
forest green1021954390
navy blue821954390
charcoal921954390
burgundy821954390

Related

off-white walls · warm white (2700–3000 K)off-white walls · neutral white (4000 K)