I really like the idea here. Also not sure from your note if you want critiques or not - but here's one anyway :)
In addition to fading to black, I think if the saturation also faded to b/w, it would have a lot more impact. The central color would stand out quite a bit more.
In addition to fading to black, I think if the saturation also faded to b/w, it would have a lot more impact. The central color would stand out quite a bit more.