Accessible Two-Factor Authentication (2FA) Matrix

A colorblind‑friendly authentication system using odd/even visual encoding.

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Select Colorblind‑Friendly Palette:

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QR‑Style Visual Output

This miniature 100×100 pixel image is generated directly from the 10×10 matrix above. It behaves like a simplified QR code — a compact, scannable visual signature.

About This Two-Factor Authentication (2FA) System

This Two-Factor Authentication (2FA) method is designed to be visually accessible, fast to interpret, and friendly for users with dyslexia or color vision deficiencies. The goal is to reduce cognitive load and make secure authentication easier and faster for everyone.

Refresh the page to produce a new pattern and code.

Alternating digit colors make each character visually distinct, preventing digit‑blending.
Four colorblind‑friendly palettes ensure compatibility with all major color vision types.
The animated 10×10 matrix forms a visually unique pattern similar to a QR code.
The generated 100×100 pixel QR‑style image demonstrates how the matrix can be compressed into a compact, scannable visual signature.
Users can solve the 2FA code faster because each digit “pops out” instead of blending together.

By combining structured color patterns, spatial memory, and predictable encoding, this system delivers a faster, more inclusive, and more intuitive authentication experience.