Create a charming clipart of a little nut-brown brownie with a simple, high-contrast background. The brownie should look cheerful and whimsical, with cute features that make it instantly endearing. Render the brownie in a classic cartoon style, utilizing bold outlines and bright colors to capture a fun, playful energy. Make sure to emphasize the brownie's nut-brown hue with expert shading and texture, highlighting its adorable, pint-sized figure for maximum visual impact.