I found a Monotangle tile to be a different experience. Quite refreshing as you don't have to wonder how it is going to look alongside other tangles. I decided it needed colour though and used my line painter pens. I forgot that between the camera and the computer colours never look as they do in real life. The pink is pretty much correct (well on my iPad), but the blue/green is not as dark in RL. I used the Derwent Graphik #10 Billy for that.
Here we are:-