VSL:WEB // Test your visual IQ, online

The Munsell Hue Test measures your ability to perceive subtle differences in colors — and that turns out to be a tricky proposition.

Click the link below, and you’ll see four rows of jumbled color bars. Your task is to arrange the boxes in each row so that the hues flow seamlessly from one end to the other. When you’re satisfied, click to see how you measure up. We scored a 30, and an immediate appointment with the optometrist.

This post is from Observer Short List—an email of three favorite things from people you want to know. Sign up to receive OSL here.

VSL:WEB // Test your visual IQ, online