Most images are made out of pixels.

Oh where were we? Oh right.

A fair image. The splash-outline is calming and makes everything above it appear a bit more vibrant. But I wouldn't say that the primary portion of the image looks entirely vibrant, but rather sleek and "cool."

Now I didn't notice the checkered scarf until my eyes wandered beneath the neck in serious evaluation. I would say this is because of a lack of definitive coloring-segregating along the neck and the scarf itself. Try adding darker lines where the edge of the scarf meets the fur to make the difference stand out more.

And finally, the ears look nice but they way they are place makes them appear to be sticking out of the exact back of his skull. I may not be an expert, ears are supposed to go on the side of the head. But, judging from the addition art thumbnails in the side of my screen, it seems that it just may be part of your style. If not, well now you know!

Good work and carry on.