That is true, however, if you play around with the hex of buff (#f0dc82) and look around at references, we can get as close as we can to the true colour (I am British so I say colour, not color), for now, we will just have to wait until an official hex/colour is released to the public. Also, I don't think anyone can really copyright it, it's a colour. As well as White Star Line is long gone now, 86 years to be precise.