Very nice

You have a good idea here the "PORTRAIT" style art here was nice, I like the colored backround you should do something like that with a fancy border along the edges the color would really bring things out, An extreme saturation of surrounding color giving the character a boldness as they are outlined, The "COLOR-PALETTE" of the actual "CHARACTER" is brighter due to a possible intention for lighting; the latter is visible through the light shading on the shirt and face, The dash of white in the eyes gives a sparkling quality and the shading of the shirt provides a realistic creasing look of the fabric alongside the angle of lighting.

~~THINGS TO IMPROVE ON~~
I like the colored backround you should do something like that with a fancy border along the edges the color would really bring things out

~X~