Exercise: Primary and secondary colours

For this exercise I took a set of photographs each of which is dominated by one of the primary and secondary colours:

• Blue
• Green
• Red
• Violet
• Yellow
• Orange

In each set, I took one image at a half stop brighter and another a half stop darker with the third at the meter reading indicated by the camera.

As per the request I chose the exposure which I thought most closely resembled the colour wheel and placed a small wheel below it.