Color separation: Difference between revisions
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For stencil based printing with multiple ink color layers, color separation helps bring the original artwork into the layers (usually greyscale) used to make each stencil. This can be done by hand, analog or digitally. | For stencil based printing with multiple ink color layers, color separation helps bring the original artwork into the layers (usually greyscale) used to make each stencil. This can be done by hand, analog or digitally. | ||
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Revision as of 10:54, 10 September 2025
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For stencil based printing with multiple ink color layers, color separation helps bring the original artwork into the layers (usually greyscale) used to make each stencil. This can be done by hand, analog or digitally.
There are also a number of apps, websites, and other tools that help with color separation, especially for artwork that is already made, such as a photograph or painting.
Apps
- Spectrolite, a free Mac desktop app
- Stochaster Apps, a suite of apps for processing images that includes Coloraster for separation.
- Graintouch for iPad somewhat aimed at making faux-riso look digitally, but offers some color separation features.
Websites
- https://www.risoseparator.tools/
- Risotto has an online print simulator
- P5 Js riso https://antiboredom.github.io/p5.riso/
- Virtual overprint charts https://charts.issue.press/
ICC Profiles
Usually implemented with Adobe suite products.
- Color/shift https://colorshift.theretherenow.com/profiles
- https://en.exploriso.info/exploriso-colour-profiles/
- Risolveoffers color profiles and an accompanyingtutorial video
- ColorLibrary.ch has profiles for purchase as well as a tutorial on using ICC profiles and color spaces
- Exploriso has a huge in depth guide to risograph color, including detailed guides on many methods for creating separations
- Colorama has a guide with a color separation section
- Risotto offers tools and a set of how-to guides
- Natalie Andrewson's patreon has many tutorials for her method of color separation
Related concepts
There are also other concepts related to color separation that can be useful to understand, such as: