The colour wheel helps to show certain colours which work well with each other.
Primary colours: The primary colours are the three key colours which on the colour wheel are: Red, Blue and yellow. they can not be made from any other colours.
Secondary colours: secondary colours are what the Primary colours combine to make.
Tertiary colours: When you mix a primary colour with a secondary colour.
The forefront of this image shows a lot of warmth in the colours whereas in the back of the image it looks very dark and cold, lacking saturation.
The primary colours are more prominent in this image, with the red and yellow standing out the most whereas the blue can be seen in the back ground showing how cold the colours are in the background showing contrast between the forefront and the background.