When it comes to images in spot colors (1, 2, 3, 4 or more inks of for example Pantone or the inks used in Risograph printing) we are more ore less on our own. We have a wide array of color profiles, created to be able to do the conversion from RGB to CMYK so it suits the specific inks and medium. It is the best/most versatile way we know to reproduce the colors of real life on paper. It is native to Photoshop and other applications. The process of separating an RGB image to the four CMYK colors has been totally standardized. There is not one correct way to make two-color images. Here's one of the images I would like to print in duotone with the Risograph (all other images are somewhat similar) : Here are the images which go along this explanation: I know of the Duotone Mode in Photoshop but this is yielding a different result for me.Дo I have to select the areas which are supposed to be printed in a certain color by hand? That does not seem to be the case to me, as the images in the example look more like individual channels (like when separating an image into the separate Red, Green or Blue channel of RGB), each having been converted to a separate greyscale-image.Д¬an someone help me out and explain this separation process to me? I am not sure how this separation of colors is done and would like to know. The website suggests a separation of the image into two layers and the subsequent printing of each layer with a different color. There is an example to be found here: Duotone Risograph Print In the process, I have come across multiple recommendations to consider a duotone print as an effective way to print images/photos. I am preparing my first print project to be realised with a Risograph.

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