Here are some photos of my attempts at mixing secondary colours together to allow the neutral colours to form..BTW - the aim of all of these exercises is to learn to dye my own fabric. I am so looking forward to it. I don't want to try without doing all the exercises though.
This is a photo of the red and green complimentary colours:
Blue and Orange is next:
and lastly..... Purple and Yellow
As you can see, my attempts are still rather amateurish. Its a case of the old adage, "Practise makes perfect"