Features How It Works Simulator Team
Free Browser Extension

See the web through every eye.

Tintoraa simulates color blindness in real-time on any website — helping developers and designers build truly inclusive experiences.

⬇ Download for Chrome Try Simulator →

✓Free Downlaod  ·  No account needed  ·  <15MB

🔒 tintoraa — Simulation Active
👁 TintoraaDeuteranopia Mode
Deuteranopia
TINTORAA
Build accessible experiences
for everyone
Choose a Feature
👁
Simulate Vision
Preview how color blind types see the web.
🎨
Accessible Palette Generator
ML-recommended palettes for all types.
Vision Type
Severity 47%
Colour Preview
🎨 Palette Suggestions
Primary Blue
#1a56db — 5.8:1
AA ✓
Safe Green
#15803d — 4.7:1
AA ✓
Warning Red
#b91c1c — 3.1:1
Fix !
Accent Purple
#6d28d9 — 6.1:1
AAA ✓
Features

Two tools.
One mission.

Everything you need to design, test and ship accessible color experiences — right in your browser.

👁
Simulate Vision

Preview any webpage through five CVD types using scientifically accurate color matrices. Adjustable severity from 0% to 100%.

Color
Normal
Protan.
Deuter.
Tritan.
● Red
● Green
● Blue
🎨
Palette Generator

ML-powered WCAG AA/AAA compliant palette suggestions generated instantly for your design.

Primary Blue
Contrast 5.8:1
AA ✓
Warning Red
Contrast 3.1:1
Fix !
Accent Purple
Contrast 6.1:1
AAA ✓
🎛
Severity Control

Slide 0–100% to explore mild to full color blindness.

0% Mild47%100% Full
Mild
Med
Full
⚡
Real-Time Preview

Page transforms instantly — no reload. Switch modes in milliseconds.

LIVETransforming page…
Original
Simulated
🧩
Works Everywhere

One install, every Chromium browser. No config needed.

🌐 Chrome
🔷 Edge
🎯 Brave
⚙️ Arc
How It Works

Up and running
in 60 seconds.

Four steps from install to insight — no config, no friction.

1
Install the Extension
Add Tintoraa from the Chrome Web Store — free, no login required.
2
Choose a Feature
Pick Simulate Vision or Accessible Palette Generator from the popup.
3
Select Type & Severity
Choose from 5 vision types. Drag the severity slider 0–100%.
4
Apply & Improve
Hit Apply — your page transforms. Palette suggestions fix contrast issues.
Step 1 — Install
🧩
Add to Chrome
Free · No permissions · <150KB
+ Add to Chrome
Step 2 — Choose Feature
Choose a Feature
👁
Simulate Vision
Preview color blind types
🎨
Palette Generator
ML color recommendations
Step 3 — Configure
Vision Type
Deuteranopia▾
Severity47%
Apply
Reset
Colour Preview
Step 4 — Improve
Accessibility Suggestions
Primary Blue — 5.8:1
AA ✓
Warning Red — 3.1:1
Fix!
Live Simulator

Try it yourself.

Experience what 300M+ people see every time they browse the web.

Red#e74c3c
Green#27ae60
Blue#3498db
Yellow#f1c40f
Purple#9b59b6
Orange#e67e22
Teal#1abc9c
Pink#e91e63
👁 Normal Vision — All colors as naturally perceived.
0
People with color blindness worldwide
0
Vision types accurately simulated
WCAG
AA/AAA contrast checking built-in
<1s
To simulate any page instantly
The Team

Built by students who care about them.

Four Boys and Two Girls united by one goal — a more inclusive internet.

Start designing
for everyone.

Free, instant install. No account. Works on every site.

Download for Chrome