Something decently strong, nothing too light or pastel. Maybe brick red, rusty orange, lightly rusty yellow... or even purple with grey? Earthy is fine but I'd avoid green/brown since its way overdone for yoga. I'm totally open to suggestions. something that reflect the "urban" element. Not too many colours. I would normally say one or to - but I liked the Nicole Mehta logo above which has four... just keep it simple. I'd like to be able to have one on a light back ground and one on a dark background.