You could do this in 8 colors. If you look on the bright part of its back there are two colors and they looks exactly the same - so you should make them the same. Find other areas like this and you should be able to be at 8 colors and fully optimized. Also, the outline is inconsistent. It's missing in some areas.
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You could do this in 8 colors. If you look on the bright part of its back there are two colors and they looks exactly the same - so you should make them the same. Find other areas like this and you should be able to be at 8 colors and fully optimized. Also, the outline is inconsistent. It's missing in some areas.