The same leather sample can look like two different colours in one house: cool and slightly grey beside a north window, warm and almost orange in late afternoon sun. Before you choose a colour for a sofa or an armchair, it helps to know where the light in the room comes from and at what time of day you actually use the room.
A cabin lit along its whole length by a row of windows, as on the AL REEM yacht by Bilgin Yachts, shows this clearly: the light that reaches a bed or a seat changes direction and colour several times between morning and evening.
Start with orientation
In the northern hemisphere, the direction a window faces gives a fairly predictable pattern of light. In the southern hemisphere, swap north and south.
- North-facing: soft, even, slightly cool light with few hard shadows. Colours stay stable through the day but can look flatter and cooler than in the shop.
- South-facing: strong light for most of the day and direct sun on the floor and on anything placed near the glass. This is the orientation where fading matters most.
- East-facing: bright, warm light in the morning, then indirect light for the rest of the day.
- West-facing: low, warm and intense sun in the late afternoon, reaching deep into the room.
Note which hours you actually spend in the room; that light matters most.
How daylight shifts colours and materials
Daylight is not one colour. An overcast midday sky is bluish, while sunlight close to sunset is clearly yellow-orange. Indoor lamps add a third condition: warm white bulbs, typically 2700–3000 K, make every surface look warmer in the evening.
- Greys and taupes are the most changeable. A neutral grey can turn bluish in north light and brownish under warm bulbs.
- Creams and ivory can look yellow in west light; a cream with a slightly grey base usually holds up better.
- Dark browns and black lose detail in a dim room, so the stitching and the shape of the piece become harder to read.
- Wood shows its grain most when light falls across it from the side; a walnut or oak top next to a window will look more lively than the same top in the middle of the room.
- Marble veining stands out in soft, diffused light, while direct sun on a polished top creates glare.
Surface finish matters as much as colour. Matte leathers and textured fabrics absorb light and look calm; leathers with more sheen reflect windows and lamps and look lighter than the sample in your hand.
Leather colours under daylight
Leather carries natural variations in tone and grain that light brings out. Some practical observations:
- Cognac and tan look redder and warmer in afternoon sun and more muted on a grey day.
- Mid-browns and olive tones are forgiving: they change the least between cool and warm light.
- Very light leathers brighten a north-facing room but show marks more easily.
- Black and very dark leathers show dust and surface texture clearly when sun falls directly on them.
The most reliable test is simple: place the samples on the floor where the sofa will stand, and look at them in the morning, in the afternoon and in the evening with the lamps on. Hold one sample vertically as well, because the back and arms of a sofa catch light differently from the seat. Sitdesign works only with genuine leather, in 76 colours across 12 colour families, with Italian leathers forming our top leather group, so there is usually a close alternative if your first choice changes too much in your light.
Sun exposure and aniline leather
Aniline leather is dyed through without a pigmented surface coat. It looks very natural, but it reacts to sunlight: over time, direct sun lightens the colour and the leather develops a patina. Semi-aniline leather has a thin protective layer and changes more slowly; pigmented leather is the most stable. Our article on aniline leather explains the differences in detail.
If you love the look of aniline leather and your room is south- or west-facing, a few habits help:
- Keep the sofa out of the path of direct afternoon sun, or at least away from the glass.
- Choose a mid-tone rather than a deep, saturated colour; fading is less visible.
- Turn and swap loose cushions now and then so they age evenly.
- Close sheers or blinds during the hours of strongest sun.
Curtains and placement
Curtains are the simplest way to control daylight without losing it. A sheer layer diffuses direct sun, softens shadows and reduces glare on polished surfaces; a lined or blackout curtain behind it gives full control in bedrooms and west-facing rooms. A common rule is to plan curtain fabric at about two to two and a half times the window width, and to let the curtains extend 15–20 cm past the window on each side so they do not block the glass when open.
A sofa placed parallel to the window receives light evenly along its length, while a sofa set at a right angle with one arm close to the glass will fade unevenly on that side. For a sitting area facing a view, browse our leather sofas; a model like the Platon sofa, placed facing the window a few steps back from it, gets the view and the same light on both arms.
You can read more about our leather groups and finishes on the leather materials page.
Plan colour with the room, not the showroom
Every Sitdesign piece is handmade in our own factory in Büyükçekmece, Istanbul, and custom dimensions are available on request, so a sofa can be sized to sit clear of a sunny window. If you send us the orientation of the room, a photo taken in daylight and the colours you are considering, we can send leather samples to test at home and prepare a quote. Contact us here.
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