The coloring page features SpongeBob Squarepants, a yellow animated character with a large, friendly smile. He's wearing a red tie and brown pants, and is depicted in a fun and inviting pose. There are lots of details to color, with bright colors making the page stand out vividly. To bring out the details of the character, you could use various shades of yellow, red and brown to provide a realistic and lively look. Adding hints of blue and green to the background can further enhance the image and make it look more vibrant. Finally, use darker colors to make the shadows stand out and highlighting the colors to make it even more eye-catching.