Lucid - Color Vision Tools
Julian Gumenita Health & Fitness iPhoneiPadiPod touch
Lucid - Color Vision Tools is a free Health & Fitness app for iPhone and iPad by Julian Gumenita. Requires iOS 15.1. Updated March 10, 2026.
- Price
- Free
- on the App Store
- Size
- 32 MB
- Age 17+
- Updated
- Mar 10
- 2026 · v1.0
Screenshots
About Lucid - Color Vision Tools
Lucid transforms your camera into a color vision tool - in real time, for everyone. Whether you're color blind, helping someone who is, or designing products that reach all users, Lucid gives you the tools to understand and correct how color looks to different people. *Privacy Policy* https://gumenita-apps.vercel.app/lucid/privacy-policy *Disclaimer* Lucid is not a medical device and is not intended to diagnose, treat, or replace professional medical advice. The color vision screening test is an informal tool based on established color perception research (Ishihara, 1917; Birch, 2012; Brettel et al., 1997) and should not be used as a substitute for a comprehensive eye examination. Always consult a qualified eye care professional before making any decisions about your vision health. *Color Correction Filters* Apply scientifically-based daltonization filters that boost contrast and shift colors to help people with red-green or blue-yellow color blindness see more clearly. Works live through your camera. *Color Blindness Simulation* See the world the way color blind people do. Lucid simulates protanopia, deuteranopia, tritanopia, and more - perfect for designers and developers testing their work for accessibility. *Color Vision Screening Test* Take a quick informal screening test based on color perception plates. Identify potential red-green or blue-yellow color vision issues and get a recommended filter based on your results. *Who Is Lucid For?* - Color blind users who want to enhance contrast and distinguish colors more easily - Designers and developers testing their work for color accessibility in real time - Medical and education professionals exploring color vision - Anyone curious about how different people perceive the world *Features* - Real-time GPU-accelerated color filters - 8+ filter modes: correction and simulation - Built-in color blindness screening test - 16 languages supported - No account required, works fully offline
App privacy
The developer, Julian Gumenita, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Lucid - Color Vision Tools
Looking for apps like Lucid - Color Vision Tools? Here are 6 similar apps on the App Store. The highest rated is Ophthalmology Toolbox (4.2/5), and all 6 are free to download.
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Color Vision Aid
-
Ophthalmology Toolbox
4.2
-
Test your Eye
-
Colorblind Test Your Check
-
Ishihara Color Blind Test
-
Liftbase: Gym Notes & Routines
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Lucid - Color Vision Tools | – | Free | March 10, 2026 | |
| Color Vision Aid | – | Free | Aug 8, 2026 | Compare |
| Ophthalmology Toolbox | 4.2 / 5 (5) | Free | Oct 17, 2026 | Compare |
| Test your Eye | – | Free | Oct 16, 2025 | Compare |
| Colorblind Test Your Check | – | Free | Aug 13, 2025 | Compare |
| Ishihara Color Blind Test | – | Free | Jul 31, 2026 | Compare |
| Liftbase: Gym Notes & Routines | – | Free | Oct 7, 2026 | Compare |