
AngularJS (Angular) native directives for Bootstrap.
RGBlind.com
ColorBlind-Test.io
ColorBlindTest.us
Sight-Check
Venngage WCAG Color Contrast Checker
Visual Field Test
Free online Ishihara color blindness screening test in 13 languages. Instant severity result, downloadable PDF report, and an embeddable widget. No sign-up, no email. Screens for red-green color vision deficiency, not a medical diagnosis.
Which is more popular?
Based on our record, Angular UI Bootstrap seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Ishihara Test
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| Website | angular-ui.github.io | ishiharatest.com |
| Pricing | — | |
| Company | — | Startup from Slovakia |
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In their own words, as submitted to SaaSHub.

No description of Angular UI Bootstrap yet.
IshiharaTest.com is a free, no-sign-up online Ishihara color blindness screening test. Based on the classic Ishihara plate method, it gives a fast, private indication of whether you may have a red-green color vision deficiency, along with a difficulty breakdown and a downloadable PDF report. It...
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Recommendations tracked on public social media and blogs since March 2021.

I followed the tutorial on the angular bootstrap site :http://angular-ui.github.io/bootstrap/. Source: over 4 years ago
I would like to combine AngularJS and Twitter Bootstrap into a fresh web app. It seems like AngularJS directives have been written for Bootstrap. Source: over 4 years ago
I'd like to make a minor modification to a 3rd party directive (specifically Angular UI Bootstrap). I simply want to add to the scope of the pane directive:. Source: over 4 years ago
Tracking Ishihara Test since Apr 2026.