Create an image of a brave knight wielding a paintbrush as their weapon, battling a dragon made entirely of swirling colors and vibrant hues in a fantastical landscape filled with shimmering art supplies and tools.

Imagine a courageous knight of ambiguous descent, donned in a gleaming armor, gripping tightly onto an unusual weapon -- a massive paintbrush, as colorful as a rainbow. The knight sets upon a fearsome foe, a dragon composed entirely of swirling colors and vibrant hues, its breath a spray of cerulean blue, fiery red, and sunny yellow. They engage in an intense battle amid a fantastical landscape that is scattered with glinting art supplies - paint tubes, palette knives, sketchbooks, and pastels - serving as both tools and obstacles in the knight's epic duel, with the dragon in this artistic realm.