The Literature Inks of the Korean brand Wearingeul, or The Color of Literature Project, consists of different series of fountain pen inks in which the colors are inspired by the color moods of literary works.
This color represents the blooming color of human suspicion. Aqua green color with some red sheen as well as violet glitter.
Wearingeul Natsume Soseki Literature Ink in Wayfarer Specifications