I just got the color samples... It doesn't look like there are any purple/violet shades at all. There is one lilac color, which is about as close as it gets. For the pink lovers, there is one kinda sorta OK pink color (a little dingy), and a salmon color, but no really vivid shades. There are 8 mostly good looking shades of red, including one pretty nice brick color and some vivid reds. There are 6 oranges, all of which look pretty good, but none are super-vivid like that mock-up. There are 12 yellows, but most of them look like puke, about 4 look good.
There are 22 blues, most of which are pretty good, but none are very close to the blue-gray shades in the pretty mock-up that everyone likes.
There are 14 greens.
There are several good whites, blacks, a couple browns and tans and hundreds of grays and beiges that could match any plastic computing device ever made with any level of nicotine exposure. Also, clear, colorless/translucent and glow-in-the-dark.
I will post a picture if I can get one that gets the colors well (I will have to borrow a camera).