You have to color this formula car picture in a way that makes the picture look realistic. Although, you can just have fun coloring the picture using any colors you like but coloring the picture in a way that makes it look realistic will make you a real painter. Now first you color the sides of the road with a mud color, as the sides of the road on the tracks are mostly mud or grass. So add a dark brown shade to make it look like mud, after that color the road with a light shade of grey, now start coloring the car. You can start with the wheels by coloring them black; the car can have three to four different colors. The front of the car can be of orange color while the sides are of blue color, the back side of the car can be red or dark grey.