guess the ink!

[DrPenfection]

Colorverse Office Green
Diamine Elf
Aurora Green
Monteverde Malachite
PenBBS Slight Cold Green

[DrPenfection]

TWSBI Emerald Green
Lamy Green
Pilot Green
Pelikan Green
Colorverse Spirit / Allan Hills

[DrPenfection]

DeAtramentis Beryl Green/Turquoise Green
Taccia Midori
3Oysters Marine Green / Aqua Green (did I say that already?)
GvFC Turquoise / Viper Green
Colorverse Laurel Schroedinger
Monteverde Hope

[DrPenfection]

R&K Sketchink Klara /Verdura
Montverde Erinite /Emerald Green / California Teal /
Montegrappa Green
Pelikan Dark Green
Stipula Bright Green
Organic Studios Uranium Green

[PithyProlix]

Clue: I could find only five images of this ink online, excluding the ones posted here.

[PithyProlix]

Another clue: I'm unable to find any reviews of this ink.

[DrPenfection]

Anderillium Spirula Green
Backpack Dublin
Papier Plume Snoball Spearmint

[Yazeh]

La Couronne du Comte Noblesse Oblige - Comtesse de Montebello Teal?
Cult Pens - Summer Caribbean Green?

[PithyProlix]

Sorry - nope.

[DrPenfection]

Krishna Emerald Green
Krishna Chennai
Krishna Sailor

[PithyProlix]

It is not a Krishna ink.

[Yazeh]

R & K Deep pine?

[PithyProlix]

Not a R&K ink.

[DrPenfection]

I'm out of ideas. And also swamped with work. Back in a couple of days.

[PithyProlix]

Here's another clue: The ink's maker does not make or otherwise sell pens under its brand.

Edit for clarity: To my knowledge they don't make nor sell their own pens. I don't think they sell pens, regardless of the maker, but I am not sure.

[Yazeh]

Robert Oster Elf Cap? Oklahoma? Australis Tea?

[Yazeh]

Colorverse 36 Laurel/Schrödinger/Able/ Arabella/Alan Hills/Spirit/Life on Mars/Nalasmalssami/Somnium/New York - Green Goddess?

[PithyProlix]

Not an Oster or Colorverse.

[Yazeh]

Pennonia Almazöld?

[Yazeh]

Ink Institute Bannan Line/ Cat at Dawn?