Today’s ink is Robert Oster Opal Green from the 1980’s collection. I purchased my sample of ink from Pen Chalet.
Opal Green is a medium, pastel green.
In large swabs the ink has some pretty shading and just a tiny bit of pink sheen.
Let's take a look at how the ink behaves on fountain pen friendly papers: Rhodia, Tomoe River, and Leuchtturm.
Dry time: 30 seconds
Water resistance: Low
Show through: Medium
On Staples 24 lb copy paper there was a lot of feathering and some bleeding as well.
Opal Green is closest to some vintage greens, Waterman Tropic Green and Sheaffer Skrip Emerald Green. Click here to see the Robert Oster inks together.
I used a Conklin Durograph Forest Green with a broad nib on Tomoe River paper. The ink had an average flow.
Overall, it’s a great modern option for those who love vintage green inks. It’s well behaved and has some nice shading.
Disclaimer: I purchased this ink myself, and all photos and opinions are my own. This page does contain affiliate links, but this post is not sponsored in any way.