SpongeBob Squarepants is an iconic character and this coloring page features him in his classic form! He has a rounded yellow body with light brown pants, bright blue eyes, and a big smile. He is standing next to a bright green plant. To bring SpongeBob to life, I would use green and blue to color in the plant and sea-inspired shades of blue and yellow to create a more vibrant look. I would add details such as lighter shades around his eyes and stripes on his pants to really make him pop. I would then use bright pinks, oranges, and purples to create a warm and playful backdrop to the image. Finally, I would finish by adding white highlights on SpongeBob and the plant to give a touch of contrast and give this fun picture extra sparkle.