Why those colours?
I'd be interested to know the thinking behind those colours. I can understand having low-contrast colours for something slow or some old-timey scene maybe, but here it just seems like an attempt to induce a wee bit of eyestrain.
Seems to me that lowering the brightness of the green would have helped, but as I say I'd be interested to know your reasoning. I can only imagine it was set that way as a change for change's sake.
The actual animations were all reasonably well done and I did enjoy the changes between line-based animation and solid shapes.
However, for the most part it seemed to fall into an uncomfortable place without jokes or narrative and where neither the subject matter nor animation quality were of a high enough standard to be really enjoyable purely on their own merits.