Luminous Shadow Fountain Pen

The coloring theme is "natural scenes with light and shadow."
The motif is a scene from nature that is constantly changing from moment to moment.
The coloring is a mixture of colors extracted from light and shadow.

Storm Blue: Lightning flashes through the swirling air on a stormy night

Fog gray. A faint mountain silhouette in the thick fog.

Dusk with light shining through the gaps in the dusk clouds

Grove Green: Shadows of tree trunks stretching across a lush grove