My friend Sigrun has messed up her study to write about Blue. Take a look. This is for her and any of the rest of us captivated by blue and finding that the words for it have not been created yet.
Willow Dipping into a Head-Sized Pool of Blue at 10 Degrees on a March Afternoon
Maybe we should be writing with nibs hand-carved from willow. I hope this is useful, Sigrun!