From the perspective of a color blind person, some colors are impossible to distinguish. Sim Daltonism lets you visualize colors as they are perceived with various types of color blindness. Point your camera at something and let Sim Daltonism show you what it looks like to a color blind person. Use it to improve visual designs by making them more accessible, to understand better strange colors choices on a child’s drawing, or simply to get a better understanding of the world from the perspective of a color blind person. Simulated Vision Sim Daltonism can simulate the vision of many forms of color blindness: Red-Green • Deuteranopia (no green cones) • Deuteranomaly (anomalous green cones) • Protanopia (no red cones) • Protanomaly (anomalous red cones) Blue-Yellow • Tritanopia (no blue cones) • Tritanomaly (anomalous blue cones) All colors • Monochromacy • Partial monochromacy Note …
Every shipping app on the App Store has gone through the same decisions you're working through right now: which screenshot goes first, what caption sits over it, which device frame to show, what color the background should be. The 9 screenshots above are Sim Daltonism's answers to those questions — they're public, they're real, and they made it through Apple's review.
Notice the first screenshot in particular. It's the one users see in search results and on the product page, and it's where most apps spend their best caption and tightest design. Look at the proportion of background to phone, where the text sits, what one thing the image is trying to communicate.
Want to see how other Photo & Video apps approach the same problem? Browse more Photo & Video apps in the showcase.
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