AkousaDeveloper
Color Blindness Simulator
Simulate 8 types of color vision deficiency and check WCAG contrast compliance.
Foreground Color
Background Color
Select Type
Deuteranopia
Population Affected ~1%Deuteranopia
Text Preview
Large Sample Text
Small Sample Text
Contrast Ratio
3.98:1
Normal Text: FailLarge Text: AA
Simulation Results
Original
#3b82f6Protanopia
4.4:1#418efaAa
~1% of population
Deuteranopia
3.7:1#007df4Aa
~1% of population
Tritanopia
4.5:1#009eb0Aa
<0.1% of population
Protanomaly
4.3:1#3f8af9Aa
~1% of population
Deuteranomaly
3.8:1#227ff5Aa
~5% of population
Tritanomaly
4.2:1#0093d0Aa
<0.1% of population
Achromatopsia
3.9:1#858585Aa
<0.01% of population
Achromatomaly
4.0:1#6f84bdAa
~0.1% of population
Contrast Comparison
| Deficiency Type | Ratio | Normal Text | Large Text |
|---|---|---|---|
| Original | 3.98:1 | Fail | AA |
| 🔴Protanopia | 4.42:1 | Fail | AA |
| 🟢Deuteranopia | 3.71:1 | Fail | AA |
| 🔵Tritanopia | 4.51:1 | AA | AAA |
| 🔶Protanomaly | 4.26:1 | Fail | AA |
| 🟡Deuteranomaly | 3.81:1 | Fail | AA |
| 🔷Tritanomaly | 4.24:1 | Fail | AA |
| ⬛Achromatopsia | 3.94:1 | Fail | AA |
| ◻️Achromatomaly | 3.97:1 | Fail | AA |
About Color Blindness Simulator
Simulates 8 color vision deficiency types and checks WCAG contrast compliance.
How to Use
Enter colors, view simulations, check WCAG AA/AAA compliance.
Use Cases
- Accessible color choices
- Testing UI for colorblind users
- WCAG compliance
- Inclusive UI design
- Brand color accessibility
Frequently Asked Questions About Color Blindness Simulator
What is Color Blindness Simulator?
Color Blindness Simulator is a free online tool on akousa.net, a platform with 559+ browser-based utilities. Simulate 8 types of color vision deficiency and check WCAG contrast compliance. No installation is required.
How do I use Color Blindness Simulator?
Simply open Color Blindness Simulator on akousa.net, enter or upload your data, configure any options, and click the action button. Results appear instantly in your browser.
Is Color Blindness Simulator free?
Yes, the core Color Blindness Simulator experience is free to use without signup. All 559+ tools remain available for everyday use, while Akousa Pro adds optional premium platform features and ad-free browsing.