This coloring page would look amazing with a light blue and yellow for the dress and bow, and whites and blues for the teapot and teacup. Use a bright, vibrant red for the curtains, and add some more colors to the landscape outside: purples, pinks, greens and even a splash of orange. The sky can be filled with bright blues, purples, and shades of pink. To add more depth, use a few different shades of green to color in the trees, bushes and grass. Finally, use grey to fill in the walls of the castle.