Using a Colour Swatch

This exercise was to try and create a painting using a specific colour swatch obtained from a source image.

This was the source image:

  

I then used this process (as explained by Max Leah):

http://cgamax.blogspot.co.uk/2012/12/my-favourite-chocolate-bar-is-mars.html?spref=fb

To create a colour swatch for which I then painted this with:

Using this as a reference:

To help with my painting I altered my Photoshop Workspace slightly. It concentrates on the colour swatches, my reference image, and the layers.