While playing with colors, ensure that Dracula's essence isn't lost; his monstrous nature and elegance should be evident.
Avoid letting one color dominate the entire portrait; the beauty is in the balance and transition of hues.
Ensure that the saturation and brightness levels remain consistent, avoiding any abrupt or jarring color changes.
While aiming for a colorful representation, avoid making it look cartoonish; retain the sophistication and gravity of Dracula's character.
Incorporate blacks wisely, using them to add depth, shadow, and contrast without overshadowing the vivid colors.

With these directions, the final portrait should not only capture the legendary Dracula but also stand as an exemplary fusion of color and character, perfectly combining classic horror with contemporary artistry.