Artistic skills are about expressing emotions, messages, or in this case a picture. She's working on a landscape and has discovered that her special mixture of tropical fruit juices and cordials makes for a uniquely rich blue tint. It's all in the name of realism; artistic skills in green are representational, trying to be true to the external world. The other colors are red, for bold and dynamic abstractions, or silver, for expressing truths about the artists themselves.
The official server of the City of Elseways.