Robert Oster Tranquility fountain pen ink swatch showing color and shading

Robert Oster Tranquility Fountain Pen Ink — 50 mL

50 mL
$20.00
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Robert Oster Tranquility fountain pen ink swatch showing color and shading

Robert Oster Tranquility Fountain Pen Ink — 50 mL

$20.00
Size50 mL

Robert Oster Tranquility is a green-leaning teal with a calm, saturated base and enough variation to keep long passages lively. In wetter areas, a reddish-pink sheen can appear along the edges and over pooled strokes.

Independent reviews describe moderate shading, a fairly wet flow, and quick-to-average drying despite that generous delivery. Sheen varies with paper and nib but is more than a swab-only effect in the right combination. There is no shimmer.

Ink character

  • Color: medium green-teal
  • Shading: medium
  • Sheen: reddish-pink in wetter areas
  • Shimmer: none
  • Flow: wet
  • Water resistance: low
  • Best suited to: journaling, long-form writing, correspondence

Tranquility earns its name through balance: saturated but not heavy, colorful but not difficult to read, with a warm sheen that appears only after the teal has done its work.

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