Coloring Online: A cute kawaii cat with large sparkling eyes and a happy smile, holding a paintbrush and painting a simple rainbow on an easel. A paint palette and paint bucket beside the cat. Large simple paint drops around the cat, simple stars and hearts in the background. Centered composition, children's coloring book page, thick clean black outlines, simple rounded shapes, large open spaces for easy coloring, minimal details, black and white line art only, outline drawing only, no color, no grayscale, no shading, no shadows, no gradients, no filled black areas, no realistic elements, no text, no watermark, white background, printable vector coloring page, high resolution.