In this picture, you will color this nice rally color. You can use many colors in this picture. You can start with the background like color the plants in the picture green than color the area behind the plants with grey or blue. Now come to the road part of the picture, you can use a light shade of grey on the road and the rocks on the road can be of darker grey color or even of brown color. The area on the side of the road can be of mud color and the grass on it green. Now you can color the rally car. Start with the wheels and color them black, the car can be of dark blue color mixed with white areas. The bumper can be grey or even of blue color give the lights of the car a yellow shade and add grey in the inner part of the car.