This was my attempt at coloring. The second one doesn't have enough contrast, and the first kind of looks sloppy.
why not use blocks of solid colors as a conscious choice?I don't see the need to add a lot of stuff via subpixeling, if you can convey this guy's important details and 3d-ness with animation he might look real hot.Just saying I really like the current thing. ...
...Does he have an environment to be in? If so, post it here so we can make them go together well.