Inky Thots: Robert Oster Green at Night


I love the name of this Robert Oster ink, Green at Night!
It is a moody dark green that, when washed, brightens!  The forest scene above was drawn over a light wash of Robert Oster’s Green at Night. with a TWSBI Eco 1.1.

Remember that others review these inks just for writing;
I am also interested in how they are used for ink-painting!

Properties of Robert Oster’s Green at Night:

This ink is well-behaved.  It does not feather on any of the papers I normally use, even Post-its.  I consider it a medium ink, neither wet nor dry, and it evaporates quickly with a wet nib such as a stub.  It has never smeared on me during a sketch.  It has a hint of a  sheen, hard to image.  The gorgeous colors it emits when wet are deep green to clear turquoise blues, making it a lovely sketching ink.  It moves easily when hit with water, with no resistance or ghosting.  It is not water resistant.

*Above, watercolors, from Daniel Smith, Holbein, and Sennellier.*

The paper towel test combined with the watery movement above
shows how many colors lay beneath the dark green!  The deepest green is the color of black tourmaline, and moves into jadite. When the edge is touched with water it moves easily into the blue and turquoises shown. Looking at watercolor comparisons, I offer Daniel Smith’s Black Tourmaline, Jadite, Amazonite, and Cobalt, plus Holbien’s Veridian and Sennelier’s Phthalo.  Amethyst can be seen too!

RO is experimenting and testing lightfast properties…
MOST water soluble ink companies do not pay attention to these things
because most artists who use ink are making prints of their work.


On smooth Hahnemühle Nostalgie Sketchbook paper I created a very fast sketch of
Tuilleries in Paris, then came back and touched the tree lines and shadows with a
Pentel Aquash waterbrush.  After I strengthened the lines for definition.

The non-toxic inks come in 50ml plastic bottles that are environmentally friendly, using recycled plastic.  They can be tippy, so I usually put them in a more solid container to decant. All my pens fit easily into the bottle opening to fill.

Other Robert Oster Inks reviewed in this manner to date:
Robert Oster Jade, Robert Oster Melon Tea,
Robert Oster Fire Engine Red, Robert Oster Thunderstorm,
Robert Oster Fire Engine Red, Robert Oster Charcoal, Robert Oster Citrus, Robert Oster’s No Fixed Address, Robert Oster Sydney Lavender, Robert Oster Aussie Brown, Robert Oster Heart of Gold, Robert Oster Aussie Liquid Gold, Robert Oster Sterling Silver, and Robert Oster’s Vanness Exclusives

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About dkatiepowellart

hollywood baby turned beach gurl turned steel&glass city gurl turned cowgurl turned herb gurl turned green city gurl. . . artist writer photographer. . . cat lover but misses our big dogs, gone to heaven. . . buddhist and interested in the study of spiritual traditions. . . foodie, organic, lover of all things mik, partner in conservation business mpfconservation, consummate blogger, making a dream happen, insomniac who is either reading buddhist teachings or not-so-bloody mysteries or autobio journal thangs early in the morning when i can't sleep
This entry was posted in art journal, creativity, drawing, ink painting, journal, painting, pen & ink, process, sketchbook, writing and tagged , , , , , , , , , , , . Bookmark the permalink.

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