4/10, you can change the fur and neck colors a little bit if needed since I didn't really test how that pallet looks, but keep it within "canonical" Eevee fur colors, you can give him a special fur pattern if you want though just nothing too complex.
Other than that you can add an extra accessory or something if you wanna cause I really dunno what else to give him other than a team rocket shirt or hat.
(Also note, the purple on the eyes part is for the little pink shine that Partner Eevees have in their eyes since he is one.)