Sublime

your eyes probably pair the shapes connected by lines (rather than similar color, size, or shape):

Albers used a hands-on method to teach key ideas. He believed, Duberman writes, that the nature of an object is made up of three aspects: its inner qualities, its external appearance, and how it relates to other objects.

Another substitute for a gray card is the palm of a human hand (the backside of the hand is too variable). But a human palm, regardless of ethnic group, is even brighter than a standard gray card, so instead of one-half stop more exposure, you need to add one additional stop. That is, if your meter reading is 1/500th of a second at f/11, use 1/500t

it’s crucial to make the right call about whether to use an algorithm or a heuristic in a specific situation. This is why the Google experiment with forty-one shades of blue seems so foreign to me, accustomed as I am to the Apple approach. Google used an A/B test to make a color choice. It used a single predetermined value criterion and defined it

The goal of this step is to see the patterns and shorten the list to one to four value clusters. It’s not uncommon for this exercise to produce just a single value point.

Perceptual layers work well with colors, but the same trick can be used with shades of gray, size, or even shapes.

Breaking the personas into primary and secondary groups helps website developers decide on the prominence

LinkedIn runs between five hundred and one thousand experiments concurrently, depending on the time of the year.43 Booking.com runs more than one thousand concurrent tests on its websites, servers, and apps every single day.