Diamine Monaco Red is a dark red/maroon like colour that has darkened even more in my Kaweco AC Sport Carbon red fountain pen. The fine nib still shows the significant shading this ink has. Google photos brought up this aquarium photo from Epctot’s “The Seas” aquarium so I decided to sketch it even though it was much better suited for watercolours. The fish in the foreground looked so worried that I thought it was worth a try.

I’m not a fan of red inks, but Diamine Monaco Red seems to be dark enough and well behaved enough for me to enjoy it. There’s also something particularly satisfying with crossing to-do list items with red ink: this thing is DONE.