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Ai-Iro - Japanese Indigo
Ateliers Phileas is one of the 713 brands in Inktend's built-in ink catalog.
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Paper & pairing
Blues and navies are the most broadly "safe" fountain pen colors: legible, professional, and unlikely to raise eyebrows in an office. This ink will behave predictably on most fountain-pen-friendly paper. Cheap, highly absorbent paper (standard copier paper) will dull any ink's saturation and can cause feathering or bleed-through with wetter nibs.
About Ateliers Phileas
Ateliers Phileas is a small European maker of leather and waxed-canvas goods with a vintage-travel aesthetic, including pen cases, notebook covers, wallets and bags. The company describes itself as a collective of international designers and craftsmen, with a legal seat in Villers-la-Ville, Belgium, and production across Europe and Japan, including a Shell Cordovan leather line crafted in Japan.
Storing and using the bottle
Bottled fountain pen ink has an effectively long shelf life when kept capped and out of direct sunlight: most inks remain usable for years. The main risk isn't the ink spoiling, it's a pen sitting inked and unused for weeks: that's what causes clogs, not the ink's age.
Frequently asked questions
Similar shades By colour distance
Color shown is a close digital approximation of a typical swatch, not a calibrated color match.