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Robert Oster Velvet Storm Signature Ink is a dark teal blue-green ink with a moody, subdued character that sits between deep blue and green-black depending on paper and writing style.
On the page, it usually appears quite dark at first glance, often reading as a near navy or black in fine writing, but as the ink pools, the green-blue undertone becomes more visible. It shows noticeable shading, moving between deep teal, blue-black, and muted green tones within the same word, which gives the writing a natural depth instead of a flat line. On some papers, a very subtle sheen can appear in heavily saturated areas, but the overall look stays restrained rather than flashy.
In everyday use, it flows smoothly and behaves well in fountain pens, with good lubrication and consistent performance on quality paper. It is generally not water-resistant, so exposure to moisture will cause smearing or fading, but for regular writing, journaling, or office use, it delivers a stable, slightly atmospheric dark tone that feels calm and professional.
