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Sky
Kaco is one of the 713 brands in Inktend's built-in ink catalog.
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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 Kaco
KACO is a Shanghai stationery brand founded in 2011 and operated by Shanghai Wencai Industrial Co., focused on minimalist, design-led writing instruments. Its pens, including the Retro and Edge fountain pens, have won international design prizes such as the Red Dot Award, iF Design Award and Japan's Good Design Award, positioning KACO among China's modern design-oriented pen makers.
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.