Essay
7 min read
Design for wet hands
Notes from testing a sailing app on a real boat: big targets, one-thumb gestures, and why contrast matters more at sea.
Testing in a meeting room lied to us. On deck, the screen was wet, the sun was low and the boat never stopped moving.
What I learned
We made every target larger, moved every key action under the thumb and doubled the contrast. The app got calmer, not busier.
Written by Juno Pell
Product designer and illustrator in Leith. Replies to every letter, eventually with a sketch.
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