{"product_id":"tag-stationery-kyo-no-oto-ko-0107-hisoku-fountain-pen-ink","title":"TAG Stationery Kyo No Oto Hisoku (秘色) — Misty Celadon Blue-Green with Expressive Shading Fountain Pen Ink (40ml)","description":"\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eTAG Stationery Kyo No Oto Hisoku (秘色) — Misty Celadon Blue-Green with Expressive Shading Fountain Pen Ink (40ml)\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTAG Stationery Kyo No Oto Hisoku is a fountain pen ink produced by TAG Stationery (京都TAG文具店) in collaboration with a traditional Kyoto ink workshop — part of the celebrated Kyo No Oto (京のおと) series, and one of the most distinctive and quietly mysterious inks in the contemporary Japanese fountain pen ink market. Hisoku (秘色) takes its name and concept from one of the most storied colour terms in Japanese and Chinese aesthetic history — a colour whose name translates literally as \"secret colour,\" originally used to describe the specific, elusive blue-green glaze of the most prized celadon ceramics produced for the imperial court of the Tang dynasty. The colour was so rare, so closely guarded, and so difficult to reproduce that it became legendary — a colour described more by what it evoked than what it was, associated with mystery, refinement, and the particular quality of light on ancient glazed porcelain. The ink translates that concept with characteristic Kyo No Oto fidelity: a light, muted grey-blue-green that carries the celadon quality of its source — soft, luminous, and slightly otherworldly — without tipping into either blue or green, occupying instead that rare intermediate zone where the colour's full complexity resides.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTAG Stationery (京都TAG文具店), also known as Takeda Jimuki, is a Kyoto-based stationery brand with deep roots in the Japanese stationery tradition. The Kyo No Oto series represents their most collaborative work — each ink produced in partnership with traditional Kyoto craft workshops, connecting contemporary fountain pen culture to the city's centuries-old dyeing and craft heritage.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHisoku is available at Shosai (shosai.ca) in Gatineau — your Ottawa–Gatineau source for Japanese and Korean stationery, with in-store pickup and Canada-wide shipping.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhat Makes Hisoku Different\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe blue-green register is genuinely difficult to occupy well. Most inks that attempt it drift clearly toward one of the two parent colours — readable as a blue with green undertones, or a green with blue undertones — and lose the genuine ambiguity that makes the colour register interesting. Hisoku is exceptional precisely because it does not drift. The grey component holds the blue and green in suspension, producing a tone that reads as both simultaneously without committing to either, a colour that changes subtly with the paper surface, the lighting, and the nib — more blue in some conditions, more green in others, more grey in others still, always the same and never quite the same.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhat deepens Hisoku beyond its base colour is its shading. The slightly dry flow and dye formulation produce a shading range that moves expressively from a lighter, more purely blue-green register at the thinnest stroke areas to a deeper, more complex grey-green-blue at pooling points and broader nib widths — a gradient that mirrors the way celadon glaze deepens in the recesses of a ceramic surface and lightens at the raised edges. The result is an ink that is subtle and mysterious in casual use, and that rewards deliberate, attentive writing with a visual complexity that few inks in this colour register can match.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eInk Profile\u003c\/h3\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eColour\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHisoku's base is a light, muted grey-blue-green — the specific colour that has been described for centuries as the celadon colour: neither clearly blue nor clearly green nor clearly grey, but carrying all three in a suspension that is, by any standard, extraordinarily difficult to achieve and extraordinarily beautiful when achieved. In the bottle, it presents as a light, translucent grey-blue-green with visible cool undertones. On the page in its wet state, it reads as a soft, moderately saturated blue-green with grey presence; as it dries, it settles into a lighter, more muted tone that retains the celadon quality — misty, luminous, and quietly complex.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe colour is consistently described as celadon, misty blue-green, grey-blue-green, secret colour, hazy turquoise, and soft steel blue — a colour with a distinctly poetic and historical character that belongs to the long tradition of Japanese and Chinese appreciation of celadon ceramics. At fine nib sizes, it reads as a clean, cool blue-green-grey suitable for everyday writing and journaling; at broader nib sizes on quality papers, the shading reveals the full range of the colour's complexity, from lighter blue-green to deeper, more saturated grey-green-blue.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eShading\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eMedium to strong, and among the most characterful qualities of Hisoku. The slightly dry flow and dye formulation produce a shading range that is genuinely expressive — moving from a lighter, more purely blue-green register at the thinnest stroke areas to a deeper, richer grey-green-blue at pooling points and broader nib widths. The shading gradient adds tonal and chromatic depth to the base colour, making the celadon quality most apparent at the transition zones where the lighter blue-green and the deeper grey-green meet. On quality papers with medium to broad or stub nibs, the full shading range is clearly visible and particularly rewarding; on Tomoe River, the shading is most dramatic and most beautiful.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe shading is both tonal and chromatic — the ink moves not only from light to dark but from a cooler, more blue-toned register toward a warmer, more green-grey-inflected one, giving Hisoku the same two-dimensional tonal depth that makes Aonibi and Adzukiiro so satisfying. Many users specifically identify the shading as one of Hisoku's most compelling qualities, and it is among the strongest shading performances in the Kyo No Oto series.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eSheen\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eMinimal to low — a faint black sheen visible primarily at pooling points and in swab applications on slow-absorbing papers; occasionally a faint red sheen has been reported under specific light conditions. In everyday writing at fine to medium nib sizes, the sheen is not visible under normal conditions. Writers who specifically seek sheen inks should note that Hisoku's visual interest comes primarily from its colour and shading; the minimal sheen is a complementary quality that adds a subtle depth to the heaviest ink deposit areas without defining the ink's overall character.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eShimmer\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eNone. Hisoku is a pure dye ink with no shimmer or metallic particles of any kind. Its visual complexity comes entirely from its colour and shading behaviour. No particle clogging risk; no maintenance beyond standard dye ink care; compatible with all pen types including vintage instruments.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eInk Type\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003ePure dye-based ink, produced in collaboration with a traditional Kyoto ink workshop in small batches. Not pigment-based; contains no iron gall and no shimmer particles. Low water resistance, as is standard for dye-based inks. The slightly dry flow characteristic supports the ink's shading behaviour and rewards wetter pens and broader nibs. Minor colour variations between production batches are an inherent characteristic of the small-batch handcrafted process and should be understood as a feature of the ink's artisanal origin rather than an inconsistency.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eInk Properties at a Glance\u003c\/h3\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eProperty\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eBase Colour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eLight muted grey-blue-green; celadon quality; cool-toned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eInk Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePure dye-based; traditional Kyoto craft workshop; small batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eShading\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMedium to strong; light blue-green to deeper grey-green-blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eShimmer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eSheen\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMinimal; faint black sheen at pooling points; occasional faint red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eFlow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSlightly dry; best with wetter pens or broader nibs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eDry Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eApproximately 30 seconds (medium nib)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eWater Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eFeathering \/ Bleed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eLow on fountain pen-friendly papers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eCompatible Tools\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eFountain pens; dip pen and brush use also possible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eBest Papers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eTomoe River, Rhodia, Clairefontaine; smooth slow-absorbing papers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e40ml glass bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eHow to Get the Most Out of Hisoku\u003c\/h3\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eRecommended Paper\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHisoku's shading is surface-dependent. Slow-absorbing, smooth papers give the dye time to pool and develop its full tonal range. Fast-absorbing papers compress the shading and reduce the depth that makes this ink particularly rewarding.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTomoe River (52gsm or 68gsm)\u003c\/strong\u003e — the definitive paper for Hisoku; the slow absorption allows the full shading range to develop; the light blue-green to deeper grey-green-blue gradient is most dramatic and most beautiful here; the celadon quality of the colour is most fully expressed on Tomoe River; the recommended choice for journaling and any use where the ink's full character is the priority\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eRhodia \/ Clairefontaine\u003c\/strong\u003e — excellent everyday performance; shading clearly visible and well-developed; a reliable and practical daily choice that fully showcases the ink's core character\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCosmo Air Light\u003c\/strong\u003e — smooth surface gives clean colour development and visible shading; a natural pairing for loose sheet writing and correspondence\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eYamamoto Ro-biki Notebook\u003c\/strong\u003e — the wax-finished surface slows absorption and supports strong shading development; a rewarding pairing for journaling and extended writing sessions\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLeuchtturm1917\u003c\/strong\u003e — good overall performance; shading visible and present; a practical choice for bullet journaling and daily use\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStandard copy paper\u003c\/strong\u003e — functional for basic legibility; shading reduced; not recommended for the full visual experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eRecommended Nibs\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHisoku's slightly dry flow rewards wetter, broader nibs that deposit sufficient ink for the full shading range to develop.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStub and cursive italic nibs\u003c\/strong\u003e — the widest shading gradient and the most expressive results; the contrast between the lighter blue-green thin strokes and the deeper grey-green-blue pooling points is most apparent at stub and italic widths; the recommended choice for the ink's full visual character\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMedium and broad nibs\u003c\/strong\u003e — shading clearly visible and well-developed; the celadon colour register is most fully expressed at these widths; the recommended everyday choice\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWetter fine nibs\u003c\/strong\u003e — the misty blue-green base reads cleanly; shading reduced but present; a practical choice for correspondence and journaling where line precision is a priority; pair with a known wet writer for best results\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eExtra-fine nibs\u003c\/strong\u003e — fully functional for legibility; shading largely absent; the colour reads as a clean, light grey-blue-green; recommended where fine line precision takes precedence\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDip pen and brush\u003c\/strong\u003e — well-suited for calligraphic and illustrative use; the shading behaviour and the celadon colour register produce particularly beautiful results in brush applications with deliberate water use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003ePen Maintenance\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHisoku is a pure dye ink with no shimmer particles or pigment solids — low-maintenance and safe for all pen types including vintage instruments. Flush every 4–6 weeks under normal use, or when changing inks. Compatible with all pen materials including vintage rubber sacs, celluloid, and ebonite. Minor colour variations between production batches should be understood as a characteristic of the small-batch handcrafted process.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eRecommended Uses\u003c\/h4\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDaily journaling and long-form writing\u003c\/strong\u003e — the misty celadon blue-green base and expressive shading make Hisoku an exceptionally characterful everyday journaling ink; a colour that changes subtly with nib size and paper, producing pages that are quietly extraordinary in their visual complexity\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCorrespondence and personal writing\u003c\/strong\u003e — the restrained, luminous tone makes Hisoku well-suited to personal correspondence; a colour that communicates refinement and considered taste without effort\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCeramic and Japanese aesthetic writing\u003c\/strong\u003e — the direct connection to the historic celadon colour tradition and the ink's luminous, mysterious quality make it a natural choice for writers engaged with Japanese and Chinese aesthetics, ceramic culture, and writing with a strong historical and artistic sensibility\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCreative writing and poetry\u003c\/strong\u003e — the colour's poetic name — secret colour — and its genuinely mysterious, light-shifting quality make Hisoku a natural companion for creative writing, poetry, and any writing practice where the colour of the ink is part of the creative atmosphere\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFountain pen photography and swatching\u003c\/strong\u003e — the shading gradient and the celadon colour register photograph beautifully on Tomoe River under natural light; a compelling and visually distinctive addition to any ink swatch collection\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGift for fountain pen enthusiasts\u003c\/strong\u003e — the Kyoto craft workshop collaboration, the extraordinary history of the hisoku colour concept, the expressive shading, and the ink's genuine visual mystery make it one of the most story-rich and distinctive gifts in the TAG Stationery catalogue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eAbout the Kyo No Oto Series\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eKyo No Oto (京のおと) — \"sounds of Kyoto\" — is TAG Stationery's most collaborative series: each ink produced in partnership with a traditional Kyoto craft workshop, connecting the contemporary fountain pen ink format to the city's centuries-old craft heritage. Where the Kyo Iro series captures the visual colours of specific Kyoto places and phenomena, the Kyo No Oto series draws from the deeper traditions of Kyoto craft — the dyeing techniques, colour concepts, and material culture that have defined the city's aesthetic identity for centuries. Hisoku (KO-0107) draws from one of the most historically resonant colour concepts in East Asian aesthetic culture, translating the legendary celadon colour of Tang dynasty imperial ceramics into a fountain pen ink that carries the mystery, refinement, and elusive beauty of its source.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eAbout TAG Stationery\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTAG Stationery (京都TAG文具店), also known as Takeda Jimuki, is a Kyoto-based Japanese stationery brand with a philosophy rooted in the intersection of traditional craft and contemporary writing culture. Their inks are produced with attention to both formulation quality and conceptual depth — each ink in the TAG catalogue carries a story, a reference, and a considered visual identity. The Kyo No Oto series represents their most craft-rooted work, produced in direct collaboration with traditional Kyoto workshops to create inks that are as connected to the city's heritage as they are to contemporary fountain pen culture. Shop the full TAG Stationery collection at Shosai — Gatineau–Ottawa's home for Japanese and Korean stationery.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eHisoku\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eTAG Stationery (京都TAG文具店) \/ Takeda Jimuki\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eKyo No Oto (京のおと)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eKO-0107\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eFull Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHisoku \/ 秘色\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eInspiration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHistoric celadon colour concept; secret colour of Tang dynasty imperial ceramics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eJapan (Kyoto) — produced with traditional Kyoto ink workshop; small batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e40ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eInk Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePure dye-based; traditional Kyoto craft workshop collaboration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eBase Colour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eLight muted grey-blue-green; celadon quality\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eShading\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMedium to strong; light blue-green to deeper grey-green-blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eShimmer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eSheen\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMinimal; faint black sheen at pooling points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eFlow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSlightly dry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eDry Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e~30 seconds (medium nib)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eWater Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003ePen Safety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSafe for all pen materials including vintage instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eAvailable at Shosai — Ottawa–Gatineau\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eShosai (shosai.ca) is a fine stationery boutique serving the Ottawa–Gatineau National Capital Region. We carry a curated selection of premium fountain pen inks, papers, and writing instruments from the world's most respected Japanese and Korean stationery brands.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e📍 In-store pickup: Gatineau, QC — J9J 0K6\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e🛵 Local delivery: Available in the Ottawa–Gatineau area\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e🚚 Canada-wide shipping available\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e🇫🇷 Service bilingue — français et anglais\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhether you are new to fountain pens or a seasoned collector, Shosai is your local destination for inks that go beyond the ordinary.\u003c\/p\u003e","brand":"Shosai","offers":[{"title":"Default Title","offer_id":48211534184673,"sku":"KO-0107","price":43.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/8032\/1249\/files\/1_a4501e96-6f1b-46e8-b15d-fd0832c58c6d.png?v=1776111229","url":"https:\/\/shosai.ca\/products\/tag-stationery-kyo-no-oto-ko-0107-hisoku-fountain-pen-ink","provider":"Shosai","version":"1.0","type":"link"}