Harry Potter stands in the center of a gathering of people, their faces aglow with anticipation. He holds an ornately carved wand in his right hand, while Luna Lovegood stands to his right, a bright, creative star in her own right. Her hair hangs loosely around her face, a perfect frame, while a star-shaped charm hangs around her neck. When it comes to coloring this image, try to bring out the different moods of this scene. Harry should be a mixture of confidence and curiosity, while Luna should be the opposite -- enveloped in an aura of mystery. For Harry, a deep, vibrant blue can be used to bring out the passion in the scene, while for Luna, contrasting shades of purple and pink to signify her whimsical nature. Similarly, use brighter and nuanced shades of yellow and green for the background to bring out the atmosphere of magic and adventure.