Wearingeul inks are suitable for writing and drawing with fountain pens, dip pens, glass pens and other various ink pens. These inks have great shading, sheening effect, flow and visibility. Both beginners and experts can use Wearingeul inks without difficulties.  The Color of Literature project expresses the stories and impressions of literature works with colors. Wearingeul fountain pen ink colors within this series are inspired by the moods of the literary works. This ink captures the striking duality found in Hans Christian Anderson, The Ugly Duckling. A monotonous gray ink, reminiscent of the ugly duckling at first, but as it dries, soft pink and green hues gradually emerge. An ink inspired by Andersen's fairy tale, capturing the moment of becoming a graceful swan.