When working on Bratz-inspired art, adding a well-designed background can significantly elevate the overall impact of your piece. In my experience, focusing on layering and color harmony between the background and the main character brings the artwork to life. For example, if your Bratz character has a black hair base with brown highlights and black outlines, I recommend using contrasting or complementary background colors that highlight these features without overpowering them. Paying attention to the eyes, such as incorporating green eyes as mentioned, also opens opportunities to tailor the background colors or lighting to make the eyes stand out even more. Soft gradients or subtle patterns in the background can help keep the focus on the character's features like lashes and hair details while adding depth to the overall illustration. Additionally, try experimenting with textures or thematic elements related to the Bratz universe or your personal style. Using brushes or digital effects to mimic fabric, glitter, or urban environments can enrich the artwork, making the background part of the storytelling. Remember, taking breaks to step back and view your artwork as a whole helps ensure the background complements rather than distracts. This process requires patience and creativity, but it can transform a flat piece into a captivating visual experience that resonates with viewers and Bratz fans alike.