Colblindor is all about color blindness. You can learn a lot of colorblind facts while browsing through the articles. Or just try one of my tools or take a color vision deficiency test. — If you can't find an answer to your questions regarding color blindness have a look at the most frequently asked questions or just contact me.

Recent Articles

Richard’s Life as a Color-Blind

Richard was so friendly to write his answers in detail on The Color Blindness Project Questionnaire. Thanks! I thought putting this together into an article by itself makes it more public to other interested readers. So the here are his answers:
When did you first discover you were colourblind?
My parents suspected when I was about 4. [...]

the clock i cant see — Ishihara Dots Everywhere

I just stumbled upon the clock i cant see. The sonodesign team used the Ishihara plates as starting point for the design of this nice clock. Can you read the numbers? I definitely need my sons assistance.

clock i cant see — Ishihara plates based clock

It is not the clock to buy while your colorblind son [...]

The Color Blindness Project Questionnaire

Joanna is doing a project on color blindness. She wants to create a guidebook for parents to help them in the diagnosis of their child’s color vision. To fulfill her project she created an online survey to research and discuss the topic of color vision deficiency.
The proposed content of her guidebook sounds very promising. It [...]

ColorAdd: A Color Coding System

The designer Miguel Neiva developed a color coding system called ColorAdd which shall help colorblind people around the world. Simple and easy with many applications. Let’s have a closer look at it.

ColorAdd Basic Color Shapes

The system is based on three basic color shapes representing the primary colors blue, yellow, red and two forms for black [...]

Do Color Blind People Perceive a Colorful Life?

Sarah contacted me to learn more on how color-blind people perceive our colorful world. Everybody can generate images which simulate this visual handicap with my color blindness simulator Coblis. But this isn’t the whole story, as those pictures can’t tell you how colorblind people think about this colorful—or in this case colorless—world.
Sarah put together some [...]