This young girl is standing with determination, her head held high and her right hand confidently placed on her hip. She has long black hair tied into a ponytail, and is wearing a light purple tunic, paired with dark purple leggings. Behind her is an enormous green dragon, its long neck and tail making it look majestic in contrast to the girl's small frame. The dragon has its mouth open and its tongue playfully licks the girl's cheek, in a friendly gesture.
To truly bring this scene to life, I'd suggest using vibrant colors. For the girl, use a range of purples and pinks to bring out the light purple of her tunic, and choose a warmer brown for her skin tone. For the dragon, paint its scales in a range of green hues, from mossy to emerald, to create a scene of vivid movement. Finally, a bright yellow or orange can be used for the dragon's tongue. This will capture the dragon's playful and friendly demeanour, and contrast its sharp teeth with a cheerful tone.