This beautiful horse stands tall and proud, stretching up on its hind legs. The mane dances in the wind, and its coat sparkles in the sunlight. Its eyes show determination and majesty as it looks at the horizon. To bring this image to life, I would color this horse with an array of rich, earthy tones. Start with a dark rust shade for the mane and tail, contrasted with a chestnut brown on the body. Use a bright, shining golden yellow for its eyes, and a vibrant mahogany for its hooves. Give the horse a healthy sheen with a lighter shade on the underbelly and muzzle. To add a touch of sparkle, small hints of white can be used on the mane and tail, and with a light shade of grey to bring out details in the muscles and body. Finally, a hint of a deep plum or navy can be used to give a sense of the majestic nature of this gorgeous animal.