Alternatives to Coblis
A browser-based simulator that shows how an image looks to people with color vision deficiencies. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Coblis
A browser-based simulator that shows how an image looks to people with color vision deficiencies.
Replacements
Listings that take over the same core job as Coblis.
Toptal Colorblind Web Page Filter
A web tool that renders a web page through color blindness filters to test its design.
Toptal Colorblind Web Page Filter tests a live URL instead of an uploaded image, filtering HTML, CSS and images, though Toptal describes it as still in development.
Sim Daltonism
A color blindness simulator for Mac and iOS that filters a screen region or camera view.
Sim Daltonism filters any screen area live on a Mac and uses the camera on iOS, instead of processing uploaded images in the browser, but runs only on Apple platforms.
Similar software
Related functionality, not a direct replacement.
WhoCanUse
A web tool showing how a text and background color pair looks to people with various vision conditions.
WebAIM Contrast Checker
An online checker that tests foreground and background color contrast against WCAG AA and AAA levels.
Paletton
A long-running web color scheme designer built around a color wheel and classic harmony rules.
Adobe Color
A free web tool from Adobe for building color palettes from harmony rules, images and accessibility checks.
Viz Palette
A web tool for testing data visualization color palettes, including color vision deficiency simulation.
Color Hexa
A web color encyclopedia with conversions, schemes, shades and colorblind simulation for any color.
