The coloring page shows Batman standing atop a Gotham rooftop, arms crossed and his cape billowing in the wind. His cowl casts a deep shadow over his face as he gazes over the bustling cityscape, where tall buildings stretch as far as the eye can see and the moon shines brightly in the sky. He looks both determined and stoic, ready to take on any criminal forces that threaten the city.
I would color Batman himself in a dark blend of blue to reflect his heroic figure. I would then add a few shades of grey to create a strong sense of contrast between the cape and cowl and the vibrant cityscape behind him. The moon could be surrounded by a soft yellow glow, while the buildings could be colored in a range of different shades: from warm pastels for the well-lit buildings, transitioning to deep blues and greys for the shadows. Finishing touches of green and red for the traffic lights and street lamps give the cityscape a vibrant, alive feel.