Taupe is the French word for that creature you have been trapping all these years, Jock. I would agree with you that its colour is a very dark grey, verging on black that I recall from my days tying flies with the fur. Perhaps these names for different colours is just a way of romanticising what is actually just a rather dull and boring shade. I mean who would actually choose to wear brown when bison has a certain cachet about it? But of course if you really want to stand out there are more vibrant shades - like white🫢