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Color Blindness Simulator

Color

Simulate how colors appear to people with different types of color vision deficiency.

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Color Blindness Simulator

See how colors appear with different types of color blindness

Preset Colors

Original Color

HEX: #3498DB

RGB: 52, 152, 219

Simulated Views

Protanopia

Red-blind (no red cones)

Deuteranopia

Green-blind (no green cones)

Tritanopia

Blue-blind (no blue cones)

Side-by-Side Comparison
Original
Protanopia
Deuteranopia
Tritanopia
Test Gradient
OriginalSimulated

Quick answers for Color Blindness Simulator

What does the Color Blindness Simulator do?
Simulate how colors appear to people with different types of color vision deficiency. The Color Blindness Simulator is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Color Blindness Simulator?
Open the Color Blindness Simulator on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Color Blindness Simulator free to use?
Yes. The Color Blindness Simulator is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Color Blindness Simulator safe and private?
Yes. The Color Blindness Simulator processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What color formats does the Color Blindness Simulator support?
The Color Blindness Simulator works with the formats web developers reach for every day - HEX, RGB / RGBA, and HSL. You can copy any value with one click for use in CSS, design tools, or code.
Can I use the Color Blindness Simulator offline?
Once the page has loaded, the Color Blindness Simulator continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.