Okay, so now I'm going to get really brave, and spin up some bright red/pink and see what that does. I don't have any. But I do have some orange/red mohair -- it will have to do. This is the skein I got:
And this is the knit swatch:
Quite different, isn't it? So much can change just by which colour is used as the background. Actually, I can't tell which is background and which is the main colour!
Now, that I've done this much, another idea strikes me. Okay, more spinning to do.