Robert Oster Verde de Rio Ink Bottle

Robert Oster Verde de Rio Ink Review & Giveaway

Robert Oster Verde de Rio Ink is a new ink color added in 2018 to the ever-increasing Robert Oster ink collection. Robert Oster inks are based upon the wonderful Australian color pallet and geography, which allows for some unique names and interesting colors and varieties. As there are now well over 100 ink colors, each basic color has multiple hues and varieties available. Robert Oster Verde de Rio ink is no exception, as it is not your normal green ink color.

Verde de Rio ink is a nice soft green, which is subdued and dusty rather than vibrant and comes across as a soft color. The color is a fantastic grass green color, but its shading characteristics can produce greens ranging from dark to light shades. Robert Oster Verde de Rio ink flows well, has medium saturation and produces a wet line.

During our review of Robert Oster Verde de Rio ink we found the following characteristics that you may find helpful when choosing your next ink color.  Continuing reading for a chance to win the bottle of Robert Oster Verde de Rio ink we used for this review.

Robert Oster Verde de Rio Ink Review

Robert Oster Verde de Rio Ink Review

Testing Factors

We used a J. Herbin glass spiral dip pen during our review of Robert Oster Verde de Rio ink on Rhodia dot grid paper. The glass dip pen has a tip that is similar to a medium-fine nib. Different pen and paper will produce different results.

Bottle Size

Robert Oster Verde de Rio ink comes in the Robert Oster standard plastic 50 ml. ink bottle. Each bottle comes with a gold Signature ink label with a small color label on the lid indicating the color and a small ink swab. There is no outer box packaging with Robert Oster inks.


We import all Robert Oster fountain pen inks directly from Australia. Due to this fact, the US retail price of $17.00 is quite reasonable and we consider Verde de Rio ink a mid-price ink.

Dry Time

During our review of Robert Oster Verde de Rio ink we found a very reasonable dry time of approximately 7-8 seconds. This makes Robert Oster Verde de Rio ink available as an everyday ink color choice.

Bleed Through

We found no bleeding using Rhodia paper during our review of Robert Oster Verde de Rio ink.


During normal use, we found no feathering using Rhodia dot pad paper. Even during our water test, there was only minimal feathering.

Water Test

We conducted a water test during our review of Robert Oster Verde de Rio ink. During this test, we ran a wet cotton swab over a dried ink sample. The results were typical for a non-waterproof ink, slight feathering, and some light color smearing. The lines remained clear and distinct. Overall, although not waterproof, Robert Oster Verde de Rio ink held up quite well.

Shading and Sheening

Robert Oster inks are well known for their shading traits and Verde de Rio ink will not disappoint. There are multiple shades of green waiting to come out, from a soft light green to a darker shade with a slight black sheen and a variety of shades in between. As with any shading, a lot does depend on your writing style, pen nib, wetness of your stroke and paper used.

Conclusions about Robert Oster Verde de Rio Ink

Verde de Rio ink is a very nice shade of green, produced by Robert Oster. In general, Robert Oster inks perform very well and are safe for fountain pens. Robert Oster Verde de Rio ink is reasonably priced, dries fairly quickly and has great shading tendencies. If you are considering purchasing Verde de Rio ink or any Robert Oster ink, but do not want to buy a full 50 ml. bottle, We also offer 4 ml. sample sized bottles of most Robert Oster ink colors, including Verde de Rio. Happy Writing from Australia!

Enter to Win

Enter to win the actual bottle of Robert Oster Verde de Rio ink that we used in this ink review:

a Rafflecopter giveaway

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John Stein
5 years ago

Robert Oster inks are my favorites!

Ged Alangui
5 years ago

My fave ink at the moment is Iroshizuku Kon-peki

Susan Irving
5 years ago

My favorite ink is Diamine Lilac Satin.

Rachel McNulty
5 years ago

Great green!! My current favorite is Colorverse Andromeda!

Beth Fralix
5 years ago

What a Lovely green colour!! Hope you have an Amazing Day!! God Bless & the Love of Christ to you!!

Randy R
5 years ago

I’ve tried and liked a couple Robert Oster Inks. This one appears to be a nice shade of green. Thanks for the giveaway opportunity and best wishes to all who “enter”!

Geoffrey Dunn
5 years ago

Any Robert Oster ink is a good ink. Nice green!

5 years ago

Thanks for another solid review!

Mike Solinas
5 years ago

Interesting color. I tend to use darker greens, but this one is pretty cool!

Heather Burke
5 years ago

It is a lovely bright green.

5 years ago

Lovely shade of green

FaithRobin Buchin
5 years ago

Beautiful green! Not a green fan usually, but this is a pretty one! Thank you again for the giveaway! ❄

5 years ago

I love the idea of a dusty green. I have a hard time finding a green I like. It’s the only color I’m especially particular about. Don’t know why that is.

5 years ago

What an interesting green…

Jonel Burge
5 years ago

This is such a fresh green color, like Aloe

5 years ago

My boy Bobby Ost (we go way back, I can call him that) has so many great inks, and seems like new ones are constantly coming out. This looks like a pretty classic green, which I feel is surprisingly rare in the ink world…

M. L.
5 years ago

Thanks for the review…been meaning to test new shades of green.

Andrew James Tloczynski
5 years ago

Beautiful color ink

5 years ago

I love seeing all the RO inks so keep on with this line. I’d also love to see more Krishna ink reviews.

Tony Rose
5 years ago

Terrific shade of green!

Patrick E Tinney
5 years ago

I love green ink and this is a very nice green.

5 years ago

Nice color 😀

5 years ago

I like the calm, unassuming colors in this ink. I agree that they are ‘soft’, but the ink still has some nice dark tints as well. I noticed what looked like a yellow-brown tint in some places, which adds some variety. Mostly, I like that it isn’t excessively saturated and ‘highlighter’-like. I’d like to see more inks like this showcased in the future.

On another note, thank you for showing us a green ink this time. I’m looking forward to the future ones.

David Knapp
5 years ago

Nice review as always. How about a review of the new Private Reserve inks?

Aaron McVicker
5 years ago

Looks like a great color!

5 years ago

my favorite ink right now is probably parker quink also i just found this blog and love it!

5 years ago

Nice Color. Hope I win 🙂

5 years ago

Usually not a fan of brighter greens but this is pretty sweet!

5 years ago

What a beautiful green color

matthew fitzgerald
5 years ago

Would like to compare this to R&K alt-goldgrun