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Warm white light with mustard yellow walls

Mustard yellow walls (LRV ≈40) absorb more light than white, so plan 1,837–3,673 lm for a 16.2 m² living room (1,500–3,000 lm with white walls, +22 %; our estimate); warm white (2700–3000 K) suits them. 3787 lights offer it.

mustard yellow walls · warm white (2700–3000 K) · change
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mustard yellowLRV ≈40

The numbers for this situation

  • Light reflectance of the wall (LRV)≈40typical for the colour
  • Lumens for a living room1,837–3,673 lm16.2 m², 50–100 lux — our estimate — there's no official UK light level for homes
  • More light than with white walls22 %our estimate: darker walls absorb more light
  • Lights offering warm white3787

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 6661 matching lights in our catalogue snapshot of 2026-09-27; 3787 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

mustard yellow walls · neutral white (4000 K)mustard yellow walls · cool white (5000–6500 K)