And therein lies the perpetual issue chookchook2 ! Desktop, tablet and mobile screens all display colour slightly differently and different desktop printers produce different results. You'd think that with a name like 'Tardis Blue' your favourite colour might well sit within 'Infinite Worlds' but in fact a quick look at our Dulux Colour Atlas reveals the closest to it is 'Deep Sapphire' which is part of 'Retro Mix' palette. Until there's a digital fix, for accuracy, all critical colour communication needs to be based on actual paint chips, or those of colour authorities such as Pantone.

they are listed at the end of the article as timber look tiles floor tiles World of Tiles -TIMMAR 159M - timber look porcelain tiles

Silk would be interesting, not to mention elegant. As for paints, the Silver Illusion appeals, but it might throw green (not sure). I also agree the Tranquil Retreat is a good one. I'm wondering how big the feature wall is, and what is going on this wall, eg TV, fireplace, large artwork, etc.?

I love the cool greys. Although you stated Dulux paint I'm pretty sure you can have any paint tinted to colours from other brands and I love Greyology from Haymes. It comes numbered Greyology1 being the lightest. Easy then to increase or deepen your colour. Worth a look.