Inktend / Ink library / Black
Black
Oaso is one of the 713 brands in Inktend's built-in ink catalog.
Paper & pairing
As a near-neutral tone, it reads as professional and safe for anything from journaling to signatures. 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 Oaso
Oaso is a Chinese pen brand offering affordable fountain pens and bottled inks aimed at students and everyday writers. Its pens, including retractable models, feature stainless steel nibs and are sold widely through platforms such as Taobao, JD.com, AliExpress and Amazon.
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.