Teal and turquoise occupy a uniquely appealing position in the fountain pen colour spectrum — sitting at the intersection of blue and green, they avoid both the formality of a straight blue and the eccentricity of a straight green. A well-chosen teal reads as sophisticated and distinctive without being extravagant. It's also a category where the Japanese inks — particularly Pilot Iroshizuku — are at their most spectacular.
The teal and turquoise spectrum
Teal and turquoise cover significant territory. At the blue end: bright, vivid turquoises that glow almost cerulean on white paper. In the middle: complex teal-greens that shift between blue and green depending on the light and paper. At the dark end: deep teal-blacks that read as almost black in fine nibs while revealing extraordinary colour in broader applications. Understanding where in that range you want to write narrows the choice quickly.
Best vivid turquoise: Pilot Iroshizuku Ku-jaku
Ku-jaku (Peacock) is the standout teal-turquoise in the Iroshizuku range and one of the most photographed inks in the entire community. It's a vivid turquoise that shifts between blue-leaning and green-leaning depending on the light and nib size — in a fine nib on white paper it reads as a clean vivid blue; in a medium or broad nib on Tomoe River it opens into a stunning teal with a red-black sheen visible where ink pools thickest. The contrast between the turquoise ink and red sheen is striking.
Well-behaved in all pens, easy to clean, consistent. If you want one teal ink that will impress everyone who sees it on the page, Ku-jaku is it.
Best complex teal-green: Pilot Iroshizuku Syo-ro
Syo-ro (Pine Tree Dew) is a more complex colour than Ku-jaku — it sits at the difficult midpoint between teal and green, reading as either depending on the paper, nib, and light. In daylight on white paper it leans green; under artificial light on cream paper it leans blue. It's the slowest-drying ink in the entire Iroshizuku range, which on Tomoe River produces dramatic sheen effects and shows ink character at its most expressive.
Syo-ro is an ink for people who want something that rewards attention — it behaves differently in different conditions, and discovering each new context is part of the pleasure.
Best vivid teal-leaning emerald: Pilot Iroshizuku Sui-gyoku
Sui-gyoku (Emerald Green) leans more teal than Ku-jaku but more green than Syo-ro — a vivid teal-green that shades from pale robin's-egg blue to a deep sea colour. It develops red sheen in generous applications on smooth paper. For anyone who finds Ku-jaku too blue and Syo-ro too complex, Sui-gyoku sits comfortably between them.
Best teal for everyday use: Diamine Soft Mint or similar
For a teal that's more practical on everyday papers and dries faster than the Iroshizuku range: Diamine's teal and turquoise options offer good colour at a fraction of the Iroshizuku price. The Diamine range doesn't produce the same dramatic sheen and shading effects, but it works reliably on any paper and in any pen — useful for actual everyday note-taking where Tomoe River isn't always available.
Check current stock at The Journal Shop for which Diamine teals are available.
Best dark teal-blue: Pilot Iroshizuku Tsuki-yo
For a teal that doesn't read as obviously teal until it's on good paper in a broad nib: Tsuki-yo (Moonlit Night) is a dark, moody blue-black with a strong teal lean that reveals itself as the ink pools. In a fine nib on white paper it reads as a sophisticated blue-black; in a medium or broad nib on Tomoe River it shows its teal depth and an occasional red-black sheen. One of the most sophisticated everyday inks available — versatile enough for correspondence, characterful enough for personal writing.
Best shimmer teal
For a teal with shimmer particles for special-occasion writing: J. Herbin Vert Atlantide is a deep teal with gold and silver shimmer and a distinctive dark sheen. For anyone who wants the visual impact of shimmer with a teal base rather than the more common blue or purple, this is an excellent choice. Follow standard shimmer ink care — roll before filling, store pens horizontally, clean more frequently.
Using teal inks at their best
Teal and turquoise inks benefit more from good paper than perhaps any other colour family. On Tomoe River, the shading effects that distinguish Ku-jaku, Syo-ro, and Sui-gyoku from each other are clearly visible. On ordinary copy paper, all three look like a similar vivid blue-green and most of the nuance disappears. For showcasing teal ink at its best: quality smooth paper, a medium or broad nib, and good light to see the sheen.
Browse all teal and turquoise fountain pen inks at The Journal Shop.
Where to start: browse our fountain pen inks and fountain pens at The Journal Shop.
