Um, I actually want to point you at a story about eleven colours, but there you go. While that heading's on my mind, I must watch Three Colours White. I've read the three, I loved Three Colours Blue when I saw it, but I couldn't get through White. Which means I've had Three Colours Red on my shelves for years and can't watch it yet.
Anyway, eleven colours. I found something interesting, though I notice now that it's a month or more old so you may have seen it already, in which case you won't be interested and I'm folding my arms, looking at you, tapping a foot, wondering why you didn't tell me about it yourself:
Sometimes I type a random word into Google and just see where it takes me, but this time I came across this because of a Photoshop website. If I could only remember which one...