This coloring page has a beautiful horse standing in a lush grassy field. The horse's coat is a creamy white and is flowing in the wind. Its mane is wild and unruly, creating a striking contrast between the soft fur and its bouncy mane. Its tail is long and wavy, adding to its elegant look. The sky is a baby blue with white clouds and a few trees in the background. To create an even more majestic look, I would fill the sky with yellow and orange hues to represent a beautiful sunset. I would fill the grass with shades of green, and pop in a few yellow daisies for a touch of color and texture. The horse's fur can be a mix of white and brown, with lighter and darker spots to show texture and variation. The mane and tail could be a bright apple green, a unique and eye-catching contrast to its light fur. Finally, to make the picture come alive, I'd add a few flies buzzing around the horse, using black and silver tones to add some sparkle.