Heyo! If you're bothering to read this, that probably means you accepted my humble offer of currency in exchange for art! Thank you very much for that, by the way! You're almost certainly here for a reference image, so let me give you that.
http://rs53.pbsrc.com/albums/g54/The_One_02/Mobile%20Uploads/SlyShuffleDEPromo1.png~320x480
Generally the shades are always on, so eye color isn't important. If drawing his eyes speaks to you, they're the same red as his hair.
Thanks again a million times!