I art journal and these rock on dark backgrounds and ink washes.

The ink looks great on dark backgrounds as well

They also stand out in less dark backgrounds because they're really opaque.

These pens are perfect for projects on dark colored backgrounds

I was looking for a pen to outline text on greeting cards I was making and to make letters on dark backgrounds stand out

Works fairly well on dark backgrounds if you go over it twice

Awesome for work on dark backgrounds.

Use it on artwork where background is dark.

I use this for highlighting and outlining on dark backgrounds, and i must say, I love it

showed up great on dark backgrounds!

I've been looking for years for something to use for marking up and annotating photographs (on plain paper) and other dark-background graphics.

great for writing on dark colored backgrounds.

The ink is a bright white (more on the blue spectrum than yellowish) standing out perfectly against dark backgrounds

They were kept in the packaging they came in, as well as in a sealed box, where air couldn't have done this to them!

It smudges a

These pens really work as they're advertised to work

It acts as a great highlight to your art or a cute pen for any scrapbooking you have!A fair warning though, the set I received was more than generous with the amount of flow and it took a few tries for me to get it not to come out as fast as it did