It’s the color of zombie skin, go, absinthe, envy, Vulcan blood, spring. Green ink can range from bright to moody. J. Herbin Vert Olive does look like extra virgin olive oil. Rohrer & Klinger’s Alt-Goldgrün is a spring green with a touch of decay. From the Sailor 2010 limited edition line is Waka-uguisu, a true …