Paint Your Own Rainbow

It's on days like this...

That my mind turns to color...

this is a much better shot taking this morning with whatever sunlight I could capture

and the ends are woven in too!

And starts making plans...

Shi Bui Sock in Spectrum

Here is my first attempt at a toe up sock...
You can see my technique still needs a bit of refinement.
So while I'm practicing making better wraps, I'm looking for good suggestions for my first toe up pattern. Something fun and challenging, but not impossible if you could?