In the SpongeBob Squarepants - What's going on here? coloring page, SpongeBob looks surprised, his eyes wide and his mouth in a scream. Three fingers point in the direction of the explosion in the background. To bring out SpongeBob's emotion, try coloring his face in pale yellow, making his eyes wide and dark. Outline his eyes and mouth with black, while shading the background in a fiery red and yellow to simulate an explosion. Finish the picture off with lighter and darker shades of yellow and red to create more depth and volume in the image.