
Coblis
Ishihara Test
Sim Daltonism
ColorBlind-Test.io
Color Oracle
ColorBlindTest.us
Accessibility Checker Pro
Free color accessibility toolkit with color blindness simulators, WCAG contrast checker, and accessible palette generator for designers and developers.

Sciter
DaisyUI
Ultralight
Extism
Stack Overflow
asciinema
PyInstaller
Application and Data, Build, Test, Deploy, and JavaScript Compilers

Which is more popular?
Based on our record, QuickJS seems to be more popular. It has been mentioned 48 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | rgblind.com | bellard.org |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Morocco · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


RGBlind is a comprehensive, free web-based accessibility platform that helps designers, developers, and educators create inclusive digital experiences for people with color vision deficiencies. With over 300 million people worldwide affected by color blindness, RGBlind provides scientifically...
No description of QuickJS yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of QuickJS yet.
Walkthroughs and reviews on video.
No RGBlind.com videos yet. You could help us improve this page by suggesting one.
QuickJS - IO, axios, redaxios, fetch
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing RGBlind.com and QuickJS.
RGBlind.com's answer
RGBlind.com is a fully browser-based color blindness simulator and testing platform that allows users to instantly preview how images, websites, and designs appear to people with different types of color vision deficiency. It includes advanced features like daltonization (color correction), split-view comparison, grid overlays, and real-time camera input, all processed locally in the browser for privacy.
RGBlind.com's answer
Unlike generic simulators or apps requiring downloads, RGBlind.com offers a complete, fast, and easy-to-use solution directly in the browser. It provides both adult and child-friendly color vision tests, supports multiple CVD types, and emphasizes accessibility compliance with WCAG, ADA, and Section 508 standards.
RGBlind.com's answer
RGBlind.com's answer
RGBlind.com was created to help raise awareness of color vision deficiencies and provide an accessible, accurate tool for designers, educators, and families. The platform aims to make digital content more inclusive by giving creators the ability to test and improve visual accessibility.
RGBlind.com's answer
RGBlind.com's answer
Share your experience with using RGBlind.com and QuickJS. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking RGBlind.com since Sep 2025.
So I built xuan (玄) — a lightweight JavaScript runtime for IoT and embedded Devices. It's built on QuickJS and forked from Tjs / txiki.js. It's MIT licensed and on GitHub here: https://github.com/topelinux/xuan. - Source: dev.to / 6 days ago
A lightweight, backend-focused JavaScript runtime built with Zig and powered by QuickJS. Designed for fast startup, low memory And a small readable codebase. - Source: dev.to / 6 days ago
You don't need V8 for running JS for scripting, you have quickjs[1] or mquickjs[2] for example. You might have problems importing npm packages, but as we can see from lua plugins you don't even need support for package managers.... - Source: Hacker News / 8 months ago
When comparing RGBlind.com and QuickJS, you can also consider the following products.

If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...
Compare Coblis to RGBlind.com or QuickJS:

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.
Compare Ishihara Test to RGBlind.com or QuickJS:


From the perspective of a color blind person, some colors are impossible to distinguish.
Compare Sim Daltonism to RGBlind.com or QuickJS:
