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Color OracleSim Daltonism
Free

Free to download and use.

 Free

Open source; the page does not list a price.

Windows, macOS, Linux macOS, iOS
  • Simulates common color vision impairments in real time
  • Works over designs in different applications
  • Live filtering of any screen area on the Mac
  • Camera-based simulation on iOS
  • Windows and Linux versions require Java 6 or later
  • The project notes that highly saturated colors may not simulate well
  • Apple platforms only
  • Licence is not stated in the research
Downloadable app Downloadable app
Open source Open source
License: MIT License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.