By definition, Wikipedia describes duotone as:
a halftone reproduction of an image using the superimposition of one contrasting color halftone (traditionally black) over another color halftone. This is most often used to bring out middle tones and highlights of an image. The most common colors used are blue, yellow, browns and reds.
Duotone prints used to take a lot of time and skill to produce, and for many years they were not in among photographers or admirers of photography. The last few years of digital photography combined with advancements in post production have given photographers the ability to create, simulate and replicate many traditional film processes, and duotone images are once again gaining popularity. They are, as said above, most commonly seen in browns and blues, but reds and yellows do make an appearance. This collection of duotone portraits shows how some creative post processing can really amplify and change the overall mood of a subject.
Photo By jo vh

Photo By Alan Cabello
Photo By Onur YILDIRIM (Shadov)

Photo By Fikayo Aderoju

Photo By Elīza Lenša

Photo By Miggy Rivera
8 Comments
What is up with the homepage?! I cannot access it!!! Shows a bunch of weird codes.
Same here. I tried on Chrome, Firefox and Explorer, but it looks broken :/
I love dual tone images. They are so cool. Here are two examples of mine. Thanks!
https://www.flickr.com/photos/ken-b-images/4715755497/
https://www.flickr.com/photos/ken-b-images/5213070827/
These are pretty good Ken!
These are some great portraits!
There was a book published in the early 90s for ‘real world’ Photoshop techniques (which I used in my graphic design studio for prepress). Most of my duotones where actually quads though sometimes to save costs in 2-color printing, I did stick to using only 2 colors. I never ever use a preset duotone in camera or out. I still will shoot raw and then do the magic in Photoshop and get tones that are really pleasing, either warm or cool.
The examples here are rich—just as they should be. Superb!
great portraits dæxus is my favorite
I love the moods created by these dual tone portraits, very powerful.