Ink Review #644: Robert Oster Avocado


Robert Oster Avocado is a medium green that ranges from pale green to a dark olive green. I purchased my ink from Pen Chalet.


The color:

Avocado is a medium unsaturated green, it reminds me of those green kitchen cabinets from the 70’s.



In large swabs you can see the large range of shading, pale to dark olive.


Writing samples:

Let's take a look at how the ink behaves on fountain pen friendly papers: Rhodia, Tomoe River, and Leuchtturm.

Dry time: 20 seconds

Water resistance: Low

Feathering: None

Show through: Medium

Bleeding: None

Other properties: high shading, no sheen, and no shimmer. There is some gorgeous shading, especially in the broad nib.

On Staples 24 lb copy paper there was a bit of bleeding and feathering in the flex nib and a bit in the other nib sizes as well.

Comparison Swabs:


Avocado is similar to Platinum Classic Forest Black. Click here to see the Robert Oster inks together, and click here to see the green inks together.

Longer Writing:


I used a Lamy Safari Petrol with a medium nib on Tomoe River paper. The ink had a dry flow.

Overall, I love the shading this ink has, but of all the Robert Oster inks I’ve tried (over a hundred), this is by far the driest. I think the dry flow and pale color adds to the shading, but it means I found myself checking to make sure I still had ink left. I love the shading, but I think it’s just too dry to need a full bottle.

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.