The sky is a brilliant canvas for these three magnificent dragons. The first dragon is a vivid green, with emerald wings and a proud crest atop its head. The second dragon is a deep shade of blue, with azure wings to carry it through the clouds. The third dragon is a fiery red, with a lively wingspan that trails flames of maroon in its wake. Together they paint a unique and beautiful picture.
To bring this scene to colorful life, I would start by using shades of warm orange and yellow to create the sunset behind the dragons. Golden highlights around the edges of their wings will make them sparkle with the dying light of day. For the dragons themselves, shades of bright green, deep blue, and intense red can be used to bring them to life. Finally, using hues of navy, purple, and pink to blend along the contour of their scales will add depth and texture.