There is a large number of colours here that are only used for 1-3 pixels but that are barely distinguishable from other colours in the image. Where did those come from? Did you have some sort of gradient over the piece again? I recommend going over your colours and making sure you're using the colours you want to be using.
If you have trouble finding the weird colours, try the PJ Image Specs tool, it'll highlight the colours for you.
No, i didn't use the gradient. But again forgot to keep a palette and selected colors that that i felt would fit directly from color wheel, like im used to doing it.